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https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-body-4-8-6-2l-ls-engine-swap-d333-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/98424b1e1f2b318264c244196a87548e.jpg?v=1786703561 Long Tube Headers for 70-81 GM F Body 4.8-6.2L LS Engine Swap D333-B https://moderndaymuffler.com/products/headers-for-ford-390-428-8-bolt-pattern-2-2-1-8-rectangle-port-hg9203lg 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/b8e176cc9c34d7f0a30321193a79f0a7.jpg?v=1786703570 Headers for Ford 390-428 (8 bolt pattern) 2-2 1/8"" rectangle port HG9203LG https://moderndaymuffler.com/products/headers-for-ford-390-428-16-bolt-pattern-sap-same-as-port-header-hg9204 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/538dde868f307fb85639efca844b536a.jpg?v=1786703588 Headers for Ford 390-428 (16 bolt pattern) SAP (same as port) Header HG9204 https://moderndaymuffler.com/products/tri-y-headers-for-chevy-truck-sbc-63-87-1-5-8in-primary-black-coated-d300y-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/a7dd335ed847085412361c1aaa2cb226.jpg?v=1786703598 Tri-Y Headers for Chevy Truck SBC 63-87 1-5/8in Primary Black Coated D300Y-B https://moderndaymuffler.com/products/headers-for-ford-6-8l-v-10-round-port-header-flange-gaskets-hg9208 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/5804b175e53f6a70bb4f4ce07bbb9be2.jpg?v=1786703603 Headers for Ford 6.8L V-10 round port Header Flange Gaskets HG9208 https://moderndaymuffler.com/products/tri-y-headers-for-62-65-fairlane-260-302-sbf-1-5-8in-primary-d662y 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/748e96ca3abdae15ad21d52195b848b9.jpg?v=1786703607 Tri-Y Headers for 62-65 Fairlane 260-302 SBF 1-5/8in Primary D662Y 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https://moderndaymuffler.com/products/long-tube-headers-for-70-81-firebird-326-455-1-3-4in-primary-black-coated-d570-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/bc7172e070212a0099dbea31dee7bb2b.jpg?v=1786703819 Long Tube Headers for 70-81 Firebird 326-455 1-3/4in Primary Black Coated D570-B https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-body-75-79-x-body-265-400-sbc-d326-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/09473fb3a46ddbc74f058a2c36a7c6e3.jpg?v=1786703823 Long Tube Headers for 70-81 GM F Body 75-79 X Body 265-400 SBC D326-B https://moderndaymuffler.com/products/tri-y-headers-for-electric-cut-out-2-1-4-pair-stainless-steel-dec225a 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/510b182617d744076339f6d50e40276a.jpg?v=1786703834 Tri-Y Headers for Electric Cut-Out 2 1/4" Pair Stainless Steel DEC225A https://moderndaymuffler.com/products/long-tube-headers-for-68-72-buick-400-455-buick-v8-1-7-8in-primary-d202-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/904ca6dfa17f791f0da109fa092ecac7.jpg?v=1786703842 Long Tube Headers for 68-72 Buick 400-455 Buick V8 1-7/8in Primary D202-SS https://moderndaymuffler.com/products/headers-for-muffler-slip-in-corvette-sidemount-hi-flow-glasspack-d952 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/8a8450640d391e258aeba2ef9ac00e4b.jpg?v=1786703844 Headers for Muffler Slip-In Corvette Sidemount Hi-Flow Glasspack D952 https://moderndaymuffler.com/products/tri-y-headers-for-electric-cut-out-2-1-4-pair-with-hook-up-kit-dec225ak 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/cab9b9c643a749cf382331049d1ebeb2.jpg?v=1786703866 Tri-Y Headers for Electric Cut-Out 2 1/4" Pair with Hook-Up Kit DEC225AK 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D332 https://moderndaymuffler.com/products/long-tube-headers-for-63-66-mopar-a-273-360-with-reilly-motorsports-coil-d454 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/4f2c267bfac8e875048071d5cf645e35.jpg?v=1786703887 Long Tube Headers for 63-66 Mopar A 273-360 with Reilly Motorsports Coil D454 https://moderndaymuffler.com/products/mid-length-headers-for-55-57-chevy-265-400-sbc-1-5-8in-primary-d356 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/2f1fe4e3d81d08402d3aee8d45ff054a.jpg?v=1786703901 Mid-Length Headers for 55-57 Chevy 265-400 SBC 1-5/8in Primary D356 https://moderndaymuffler.com/products/long-tube-headers-for-63-72-chevy-c-10-4-8-6-2l-ls-engine-swap-d3348 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/ad87251eb6005cb7fd8fea26679fbce3.jpg?v=1786703903 Long Tube Headers for 63-72 Chevy C-10 4.8-6.2L LS Engine Swap D3348 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https://moderndaymuffler.com/products/header-back-exhaust-kit-for-63-72-chevy-gmc-c10-ls-swap-stainless-steel-des102 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/14ad5812ba5a44a07ca7ab9a60fb5547.jpg?v=1786704129 Header-Back Exhaust Kit for 63-72 Chevy/GMC C10 LS Swap Stainless Steel DES102 https://moderndaymuffler.com/products/long-tube-headers-for-304-stainless-1-5-8in-primary-stainless-steel-d453-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/d434a03adde3d884d56913c7d5ac91cf.jpg?v=1786704125 Long Tube Headers for 304 Stainless 1-5/8in Primary Stainless Steel D453-SS https://moderndaymuffler.com/products/fenderwell-headers-for-62-67-chevy-ii-265-400-sbc-w-o-egr-a-i-r-d329-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/9f79cdec981e137c5da7fa4c5d705a0b.jpg?v=1786704195 Fenderwell Headers for 62-67 Chevy II 265-400 SBC W/O EGR/A.I.R. 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Automatic D690YA https://moderndaymuffler.com/products/tri-y-headers-for-55-57-chevy-265-400-sbc-1-5-8in-primary-ceramic-coated-d357y 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/dfce47690af8e121f32682855c179cf6.jpg?v=1786704552 Tri-Y Headers for 55-57 Chevy 265-400 SBC 1-5/8in Primary Ceramic Coated D357Y https://moderndaymuffler.com/products/headers-for-chrysler-383-440-small-rectangle-port-header-flange-gaskets-hg9151 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/813b3bc3d6148bf2299aae1dab40caec.jpg?v=1786704559 Headers for Chrysler 383-440 small rectangle port Header Flange Gaskets HG9151 https://moderndaymuffler.com/products/headers-for-chrysler-331-392-hemi-round-port-header-flange-gaskets-hg9110 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/e136f44664a7c10e22c7b333a6dc664b.jpg?v=1786704557 Headers for Chrysler 331-392 Hemi round port Header Flange Gaskets HG9110 https://moderndaymuffler.com/products/headers-for-sidemount-header-63-82-corvette-396-454-bbc-non-cat-no-egr-or-d381-c 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/0324991c22c1302be3968b1c4abb4d71.jpg?v=1786704565 Headers for Sidemount Header 63-82 Corvette 396-454 BBC Non Cat no EGR or D381-C https://moderndaymuffler.com/products/headers-for-ls-swap-engine-oil-pan-natural-skop100 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/5a3f04fd87c3a97905875079a42edd91.jpg?v=1786704566 Headers for LS Swap Engine Oil Pan Natural SKOP100 https://moderndaymuffler.com/products/mid-length-headers-for-82-92-gm-f-body-265-400-sbc-1-5-8in-primary-d3320-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/d168afcfa311932cfe887ffe21af318e.jpg?v=1786704587 Mid-Length Headers for 82-92 GM F Body 265-400 SBC 1-5/8in Primary D3320-B https://moderndaymuffler.com/products/long-tube-headers-for-70-74-gm-f-body-4-8-6-2l-ls-engine-swap-d3352 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/e945dbe8ed98d2d187238f84bdb08bc7_8f3c41f7-79af-4323-b45a-c258178c51b8.jpg?v=1786704592 Long Tube Headers for 70-74 GM F Body 4.8-6.2L LS Engine Swap D3352 https://moderndaymuffler.com/products/long-tube-headers-for-55-57-chevy-265-400-sbc-1-3-4in-primary-d353-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/c8e5c74119fbbf14975859a77df87f2a.jpg?v=1786704605 Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353-B https://moderndaymuffler.com/products/tri-y-headers-for-62-67-nova-265-400-sbc-1-5-8in-primary-ceramic-coated-d367y 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/09a4a3b1131232dd377e4d793d80ed64.jpg?v=1786704617 Tri-Y Headers for 62-67 Nova 265-400 SBC 1-5/8in Primary Ceramic Coated D367Y https://moderndaymuffler.com/products/long-tube-headers-for-67-70-mustang-cougar-390-428-fe-motor-w-o-egr-a-i-r-d626 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/b882e01634e69d4ad10123e8637d922e.jpg?v=1786704613 Long Tube Headers for 67-70 Mustang/Cougar 390-428 FE Motor W/O EGR/A.I.R. D626 https://moderndaymuffler.com/products/mid-length-headers-for-70-81-f-body-75-79-x-body-4-8-6-2l-ls-engine-swap-d335 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/026dae2435fd4e21e22cb32522719e08.jpg?v=1786704800 Mid-Length Headers for 70-81 F Body/75-79 X Body 4.8-6.2L LS Engine Swap D335 https://moderndaymuffler.com/products/headers-for-ford-coyote-5-0l-1-7-8-sap-same-as-port-header-flange-hg9247 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/47192ff1de9e0938d03014bd914f0ee6.jpg?v=1786704619 Headers for Ford Coyote 5.0L 1 7/8" SAP (same as port) Header Flange HG9247 https://moderndaymuffler.com/products/long-tube-headers-for-304-stainless-1-3-4in-primary-stainless-steel-d336-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/52f60a09dffcdc5e7b72261b4ffc0894.jpg?v=1786704620 Long Tube Headers for 304 Stainless 1-3/4in Primary Stainless Steel D336-SS https://moderndaymuffler.com/products/long-tube-headers-for-67-69-f-body-68-74-x-body-396-502-bbc-2in-primary-d320 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/75d6a27ec34bdd166cf5f5fc9d76348f.jpg?v=1786704641 Long Tube Headers for 67-69 F Body/68-74 X Body 396-502 BBC 2in Primary D320 https://moderndaymuffler.com/products/fenderwell-headers-for-62-67-chevy-ii-265-400-sbc-w-o-egr-a-i-r-d329-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/926138d3f772b0087e016e9629f20b4e.jpg?v=1786704647 Fenderwell Headers for 62-67 Chevy II 265-400 SBC W/O EGR/A.I.R. D329-B https://moderndaymuffler.com/products/long-tube-headers-for-64-67-gto-455-w-ho-sd-ram-air-heads-only-d567 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/33d88add356afb4dc2f8584c855cef4e.jpg?v=1786704650 Long Tube Headers for 64-67 GTO 455 W/HO/SD/Ram Air Heads only D567 https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-body-265-400-sbc-1-3-4in-primary-d324-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/352ad55ba747defdee16023c226f2bad.jpg?v=1786704660 Long Tube Headers for 70-81 GM F Body 265-400 SBC 1-3/4in Primary D324-B https://moderndaymuffler.com/products/long-tube-headers-for-64-72-gm-a-body-4-8-6-2l-ls-engine-swap-d3336-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/d3dea99955c567f5a95435139beb66ec.jpg?v=1786704669 Long Tube Headers for 64-72 GM A Body 4.8-6.2L LS Engine Swap D3336-B https://moderndaymuffler.com/products/mid-length-headers-for-64-77-gm-f-g-a-body-396-502-bbc-1-3-4in-primary-d306-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/5dec1acb99af6b913e6313c9bc69e89a.jpg?v=1786704687 Mid-Length Headers for 64-77 GM F G/A Body 396-502 BBC 1-3/4in Primary D306-B https://moderndaymuffler.com/products/long-tube-headers-for-62-67-nova-265-400-sbc-stock-or-mustang-ii-style-d317 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/221f10e7353799a6e93291324a6d0a77.jpg?v=1786704693 Long Tube Headers for 62-67 Nova 265-400 SBC Stock or Mustang II style D317 https://moderndaymuffler.com/products/long-tube-headers-for-82-92-gm-f-body-265-400-sbc-1-3-4in-primary-d3321 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/b862e3aa90516b0b816714319c0d2083.jpg?v=1786704710 Long Tube Headers for 82-92 GM F Body 265-400 SBC 1-3/4in Primary D3321 https://moderndaymuffler.com/products/headers-for-ford-5-4-5-8l-4v-sap-same-as-port-header-flange-gaskets-hg9246 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/a8cf73aaaa036f5b382b197a204a6cc7.jpg?v=1786704706 Headers for Ford 5.4/5.8L 4V SAP (same as port) Header Flange Gaskets HG9246 https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-body-4-8-6-2l-ls-engine-swap-d333 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/57c0e8b7d124c4b2d3429f718550bde7.jpg?v=1786704723 Long Tube Headers for 70-81 GM F Body 4.8-6.2L LS Engine Swap D333 https://moderndaymuffler.com/products/headers-for-buick-400-455-1-7-8-sap-same-as-port-header-flange-gaskets-hg9401 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/1f850d4868e4519b72162a915e36c7fb.jpg?v=1786704723 Headers for Buick 400-455 1 7/8" SAP (same as port) Header Flange Gaskets HG9401 https://moderndaymuffler.com/products/long-tube-headers-for-68-77-gm-a-body-396-502-bbc-non-cat-no-egr-or-a-i-r-d331 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/0141673a748ec4c3e8586ad8fe2eb89e.jpg?v=1786704716 Long Tube Headers for 68-77 GM A Body 396-502 BBC Non Cat no EGR or A.I.R. D331 https://moderndaymuffler.com/products/mid-length-headers-for-55-57-chevy-4-8-6-2l-ls-engine-swap-1-7-8in-primary-d311 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/2ea7d70afaaf4f5ba063f79efb3c76d7.jpg?v=1786704738 Mid-Length Headers for 55-57 Chevy 4.8-6.2L LS Engine Swap 1-7/8in Primary D311 https://moderndaymuffler.com/products/long-tube-headers-for-64-67-gto-326-455-1-3-4in-primary-ceramic-coated-d564 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/679a3d978c2e993387278084806b7b93.jpg?v=1786704754 Long Tube Headers for 64-67 GTO 326-455 1-3/4in Primary Ceramic Coated D564 https://moderndaymuffler.com/products/long-tube-headers-for-65-76-f-100-352-390-fe-motor-non-cat-no-egr-or-a-i-r-d603 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/50fb4f9d050e75adfe4ff78952928fc0.jpg?v=1786704758 Long Tube Headers for 65-76 F-100 352-390 FE Motor Non Cat no EGR or A.I.R. D603 https://moderndaymuffler.com/products/long-tube-headers-for-73-91-gm-truck-265-400-sbc-2wd-1-5-8in-primary-d310 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/2b9d658709ed2d7da85808acce1ebcb7.jpg?v=1786704767 Long Tube Headers for 73-91 GM Truck 265-400 SBC 2WD 1-5/8in Primary D310 https://moderndaymuffler.com/products/long-tube-headers-for-70-81-firebird-455-w-ho-sd-ram-air-heads-only-d581 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/4a3765fa5d4816c67e9c3057d2ab65b1.jpg?v=1786704764 Long Tube Headers for 70-81 Firebird 455 W/HO/SD/Ram Air Heads only D581 https://moderndaymuffler.com/products/long-tube-headers-for-304-stainless-1-3-4in-primary-stainless-steel-d564-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/8a91fdee2f48a1d42db4399b7c8a79f3.jpg?v=1786704772 Long Tube Headers for 304 Stainless 1-3/4in Primary Stainless Steel D564-SS https://moderndaymuffler.com/products/tri-y-headers-for-62-67-nova-265-400-sbc-1-5-8in-primary-black-coated-d367y-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/e777cf07cd459326973e943563a0ab8b.jpg?v=1786704776 Tri-Y Headers for 62-67 Nova 265-400 SBC 1-5/8in Primary Black Coated D367Y-B https://moderndaymuffler.com/products/mid-pipe-exhaust-adapter-for-75-81-camaro-firebird-ls-swap-dmp105 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/2b3237e9586a4cc68ef74d052706a1b6.jpg?v=1786704860 Mid-Pipe Exhaust Adapter for 75-81 Camaro/Firebird LS Swap DMP105 https://moderndaymuffler.com/products/motor-mounts-for-c10-ls-swap-motor-mount-steel-sk102 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/94a09b2d7a9d86b0ada016fc91beeccc.jpg?v=1786704812 Motor Mounts for C10 LS Swap Motor Mount Steel SK102 https://moderndaymuffler.com/products/long-tube-headers-for-67-69-f-body-68-74-x-body-265-400-sbc-1-7-8in-primary-d323 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/a2e9330b4db0c2fa18ab1b97c6a1c97a.jpg?v=1786704806 Long Tube Headers for 67-69 F Body/68-74 X Body 265-400 SBC 1-7/8in Primary D323 https://moderndaymuffler.com/products/long-tube-headers-for-62-67-nova-265-400-sbc-stock-or-mustang-ii-style-d317-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/ed28e23e233a8916ea6a6e2798648862.jpg?v=1786704812 Long Tube Headers for 62-67 Nova 265-400 SBC Stock or Mustang II style D317-B https://moderndaymuffler.com/products/mid-length-headers-for-67-69-f-body-68-74-x-body-4-8-6-2l-ls-engine-swap-d3357 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/afeeeae290936d3af94e6c96347e25c7.jpg?v=1786704822 Mid-Length Headers for 67-69 F Body 68-74 X Body 4.8-6.2L LS Engine Swap D3357 https://moderndaymuffler.com/products/mid-length-headers-for-62-67-chevy-ii-265-400-sbc-w-o-egr-a-i-r-stock-d327 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/4265a57d7feb423ad9ad6e6487ffba4e.jpg?v=1786704831 Mid-Length Headers for 62-67 Chevy II 265-400 SBC W/O EGR/A.I.R. Stock D327 https://moderndaymuffler.com/products/fenderwell-headers-for-55-57-chevy-265-400-sbc-1-3-4in-primary-d355-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/4f38ffb68264f9ed7538218efe59b49a.jpg?v=1786704837 Fenderwell Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D355-B https://moderndaymuffler.com/products/tri-y-headers-for-66-70-ford-351w-with-spread-port-pattern-w-o-d669y-1b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/c1380d1a8b141d23c8bb4900e2fb7d16.jpg?v=1786704843 Tri-Y Headers for 66-70 Ford 351W With Spread port pattern W/O D669Y-1B https://moderndaymuffler.com/products/headers-for-chrysler-383-440-large-rectangle-port-header-flange-gaskets-hg9152 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/b239a15152fce66dd242b610f2406b34.jpg?v=1786704847 Headers for Chrysler 383-440 large rectangle port Header Flange Gaskets HG9152 https://moderndaymuffler.com/products/mid-pipe-exhaust-adapter-for-64-67-chevy-chevelle-ls-swap-stainless-steel-dmp103 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/d3ae93646151d498338b1f1c5c8c6683.jpg?v=1786704865 Mid-Pipe Exhaust Adapter for 64-67 Chevy Chevelle LS Swap Stainless Steel DMP103 https://moderndaymuffler.com/products/long-tube-headers-for-64-67-gm-a-body-4-8-6-2l-ls-engine-swap-d3349 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/ad87251eb6005cb7fd8fea26679fbce3_65a04cca-a978-4a5e-9af8-11fa9826eaf2.jpg?v=1786704870 Long Tube Headers for 64-67 GM A Body 4.8-6.2L LS Engine Swap D3349 https://moderndaymuffler.com/products/long-tube-headers-for-62-74-mopar-426-wedge440-rb-motor-2in-primary-d452-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/5c1e13334cf50414a712e7dbf8ba2236.jpg?v=1786704873 Long Tube Headers for 62-74 Mopar 426 Wedge440 RB Motor 2in Primary D452-B https://moderndaymuffler.com/products/tri-y-headers-for-electric-cut-out-2-1-2-single-stainless-steel-dec250a-1 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/2b21332f51b4e5068ceedbe3c6353782.jpg?v=1786704881 Tri-Y Headers for Electric Cut-Out 2 1/2" Single Stainless Steel DEC250A-1 https://moderndaymuffler.com/products/tri-y-headers-for-electric-cut-out-3-single-stainless-steel-dec300a-1 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/945fcc3c114f77a68e742ba98582969c.jpg?v=1786704881 Tri-Y Headers for Electric Cut-Out 3" Single Stainless Steel DEC300A-1 https://moderndaymuffler.com/products/headers-for-sb-chevy-283-400-inner-gaskets-header-flange-gaskets-hg9322 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/1e981fb17709a5eb22ec35b75c6c9619.jpg?v=1786704894 Headers for SB Chevy 283-400 (inner gaskets) Header Flange Gaskets HG9322 https://moderndaymuffler.com/products/tri-y-headers-for-60-65-falcon-260-302-sbf-standard-trans-d660ys-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/958e05885f45eb47da0190c8b5927596.jpg?v=1786704904 Tri-Y Headers for 60-65 Falcon 260-302 SBF Standard Trans D660YS-SS https://moderndaymuffler.com/products/fenderwell-headers-for-72-81-jeep-290-401-v8-1-5-8in-primary-ceramic-coated-d190 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/36750dce200788ba93cb7a703b0d125a.jpg?v=1786704914 Fenderwell Headers for 72-81 JEEP 290-401 V8 1-5/8in Primary Ceramic Coated D190 https://moderndaymuffler.com/products/headers-for-sb-chevy-283-400-large-rectangle-port-header-flange-gaskets-hg9312 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/75871df8ddbea1738a94ef4c84318d0b.jpg?v=1786704925 Headers for SB Chevy 283-400 large rectangle port Header Flange Gaskets HG9312 https://moderndaymuffler.com/products/fenderwell-headers-for-55-57-chevy-396-502-bbc-engine-swap-2in-primary-d352 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/442cf4f61b0702294c529a7577d90db2.jpg?v=1786704963 Fenderwell Headers for 55-57 Chevy 396-502 BBC Engine Swap 2in Primary D352 https://moderndaymuffler.com/products/long-tube-headers-for-64-77-gm-f-a-body-396-502-bbc-1-3-4in-primary-d313 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/58243b3df4a6f7dee1c0690310e6a2a4.jpg?v=1786704939 Long Tube Headers for 64-77 GM F/A Body 396-502 BBC 1-3/4in Primary D313 https://moderndaymuffler.com/products/fenderwell-headers-for-55-57-chevy-396-502-bbc-engine-swap-2in-primary-d352-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/0a37726969f7d0a9957bfdaef97f643d.jpg?v=1786704936 Fenderwell Headers for 55-57 Chevy 396-502 BBC Engine Swap 2in Primary D352-B https://moderndaymuffler.com/products/headers-for-ford-351w-world-product-head-with-3-center-to-center-hg9351 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/bdee3c51bf7d6402fa2b6cdcc2bb41db.jpg?v=1786704969 Headers for Ford 351W (World Product Head with 3" center to center HG9351 https://moderndaymuffler.com/products/long-tube-headers-for-68-76-amc-290-401-v8-1-7-8in-primary-ceramic-coated-d104 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/99058210044d18fe90ea51827b87cc66.jpg?v=1786704964 Long Tube Headers for 68-76 AMC 290-401 V8 1-7/8in Primary Ceramic Coated D104 https://moderndaymuffler.com/products/headers-for-chrysler-273-360-sapsame-as-port-header-flange-gaskets-hg9106 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/97d028d37c1f45c89cc22029dc82252b.jpg?v=1786704964 Headers for Chrysler 273-360 SAP(same as port) Header Flange Gaskets HG9106 https://moderndaymuffler.com/products/long-tube-headers-for-67-74-mopar-a-273-360-w-o-egr-a-i-r-with-reilly-d455 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/bbe33c0fb9578acedabcda8b71a0781d.jpg?v=1786704971 Long Tube Headers for 67-74 Mopar A 273-360 W/O EGR/A.I.R. with Reilly D455 https://moderndaymuffler.com/products/tri-y-headers-for-electric-cut-out-3-single-with-hook-up-kit-dec300aks 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/456b5f89128163c91d867508245c662a.jpg?v=1786705064 Tri-Y Headers for Electric Cut-Out 3" Single with Hook-Up Kit DEC300AKS https://moderndaymuffler.com/products/headers-for-2-5-409-stainless-steel-y-pipe-camaro-sbc-82-92-d901 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/822edb53ce804a87f304817850ee99fc.jpg?v=1786704980 Headers for 2.5" 409 Stainless Steel Y-Pipe Camaro SBC 82-92 D901 https://moderndaymuffler.com/products/long-tube-headers-for-62-74-mopar-383-400-b-motor-1-3-4in-primary-d451-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/39ce781eea6bb54b7697d7351c64c32f.jpg?v=1786704990 Long Tube Headers for 62-74 Mopar 383-400 B' Motor 1-3/4in Primary D451-B https://moderndaymuffler.com/products/long-tube-headers-for-buick-regal-350-68-72-1-3-4in-primary-ceramic-coated-d200 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/40aefa0251e658b2cee5cd04e0704427.jpg?v=1786704990 Long Tube Headers for Buick Regal 350 68-72 1-3/4in Primary Ceramic Coated D200 https://moderndaymuffler.com/products/long-tube-headers-for-65-70-pontiac-326-455-1-3-4in-primary-d521-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/7d97215402925cc674eef30feaa576e6.jpg?v=1786705008 Long Tube Headers for 65-70 Pontiac 326-455 1-3/4in Primary D521-SS https://moderndaymuffler.com/products/long-tube-headers-for-67-71-ford-351c-4v-cleveland-w-o-egr-a-i-r-d670s4-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/ea42e500d389126ccdf19b7067c3ad55.jpg?v=1786705025 Long Tube Headers for 67-71 Ford 351C-4V Cleveland W/O EGR/A.I.R. D670S4-B https://moderndaymuffler.com/products/long-tube-headers-for-304-stainless-1-3-4in-primary-stainless-steel-d313-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/d1fbe6431d492ebd4070f069f61a2244.jpg?v=1786705034 Long Tube Headers for 304 Stainless 1-3/4in Primary Stainless Steel D313-SS https://moderndaymuffler.com/products/headers-for-ford-4-6l-4v-sap-same-as-port-header-flange-gaskets-hg9646 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/546d1795a2681e71985a55454727e7d6.jpg?v=1786705050 Headers for Ford 4.6L 4V SAP (same as port) Header Flange Gaskets HG9646 https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-body-265-400-sbc-1-3-4in-primary-d324 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/46c2dc333266ed1cc0eabddfbb143e93.jpg?v=1786705055 Long Tube Headers for 70-81 GM F Body 265-400 SBC 1-3/4in Primary D324 https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-a-body-396-502-bbc-1-7-8in-primary-d316-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/6a67cc1eb1b7d621b9cb7db6da9f0620.jpg?v=1786705081 Long Tube Headers for 70-81 GM F/A Body 396-502 BBC 1-7/8in Primary D316-SS https://moderndaymuffler.com/products/tri-y-headers-for-58-64-chevy-348-409-w-block-1-3-4in-primary-d309y-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/3b5589eba01c9af623b68a1b30ed692c.jpg?v=1786705054 Tri-Y Headers for 58-64 Chevy 348-409 W Block 1-3/4in Primary D309Y-SS https://moderndaymuffler.com/products/long-tube-headers-for-64-77-gm-f-a-body-396-502-bbc-1-3-4in-primary-d313-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/a4e6922dc9a6c1a1f57a1ee0395ac876.jpg?v=1786705062 Long Tube Headers for 64-77 GM F/A Body 396-502 BBC 1-3/4in Primary D313-B https://moderndaymuffler.com/products/long-tube-headers-for-67-77-gm-f-g-a-265-400-sbc-non-cat-no-egr-or-a-i-r-d308 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/bb136da56d5f7866dd296cb773016321.jpg?v=1786705071 Long Tube Headers for 67-77 GM F G/A 265-400 SBC Non Cat no EGR or A.I.R. D308 https://moderndaymuffler.com/products/long-tube-headers-for-models-4-8-6-2-ls-engine-swap-mustang-ii-d3347-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/df0d91310375dd33c6173c95b43afcfc.jpg?v=1786705087 Long Tube Headers for Models 4.8-6.2 LS Engine Swap Mustang II D3347-B https://moderndaymuffler.com/products/mid-length-headers-for-73-87-c10-4-8-6-2l-ls-engine-swap-2wd-d314-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/b53ad0675a046cbbe0a31449b3ad95cc.jpg?v=1786705091 Mid-Length Headers for 73-87 C10 4.8-6.2L LS Engine Swap 2WD D314-B https://moderndaymuffler.com/products/long-tube-headers-for-67-77-gm-f-g-a-265-400-sbc-non-cat-no-egr-or-a-i-r-d308-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/389ffc96baa8ff5b44cd11bb5bb4cf63.jpg?v=1786705096 Long Tube Headers for 67-77 GM F G/A 265-400 SBC Non Cat no EGR or A.I.R. D308-B https://moderndaymuffler.com/products/tri-y-headers-for-68-91-gm-truck-396-502-bbc-1-3-4in-primary-d303y 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/3c2d79e6ee42bb668480efc750f48f9e_955c8398-f3fa-4cd4-af73-d9e3ee55d0b2.jpg?v=1786705103 Tri-Y Headers for 68-91 GM Truck 396-502 BBC 1-3/4in Primary D303Y https://moderndaymuffler.com/products/mid-length-headers-for-64-67-gm-a-body-4-8-6-2l-ls-engine-swap-d3350-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/ad87251eb6005cb7fd8fea26679fbce3_16f3b2e8-49ff-4a1a-bae8-bac237460a09.jpg?v=1786705113 Mid-Length Headers for 64-67 GM A Body 4.8-6.2L LS Engine Swap D3350-B https://moderndaymuffler.com/products/tri-y-headers-for-69-72-gm-truck-265-400-sbc-w-o-egr-a-i-r-2wd-4-wd-d372y-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/1aa56991bf6f24d3def270c13c7b3c4a.jpg?v=1786705117 Tri-Y Headers for 69-72 GM Truck 265-400 SBC W/O EGR/A.I.R. 2WD/4 WD D372Y-B https://moderndaymuffler.com/products/fenderwell-headers-for-62-67-chevy-ii-265-400-sbc-w-o-egr-a-i-r-d329 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/f46a76c94197ef85ec7be4c8fd3764e4.jpg?v=1786705124 Fenderwell Headers for 62-67 Chevy II 265-400 SBC W/O EGR/A.I.R. D329 https://moderndaymuffler.com/products/long-tube-headers-for-64-67-gm-a-body-4-8-6-2l-ls-engine-swap-d3349-b 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/429aa8ad4620f275eb059cd36baf6c52.jpg?v=1786705140 Long Tube Headers for 64-67 GM A Body 4.8-6.2L LS Engine Swap D3349-B https://moderndaymuffler.com/products/long-tube-headers-for-78-88-gm-g-body-265-400-sbc-1-3-4in-primary-d336 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/8b5b72786767ac8de0d0987bbc46cd35.jpg?v=1786705146 Long Tube Headers for 78-88 GM G Body 265-400 SBC 1-3/4in Primary D336 https://moderndaymuffler.com/products/long-tube-headers-for-70-81-gm-f-body-75-79-x-body-265-400-sbc-d326 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/683c9ffa05d3041f04401bc54e9a6440.jpg?v=1786705159 Long Tube Headers for 70-81 GM F Body/75-79 X Body 265-400 SBC D326 https://moderndaymuffler.com/products/tri-y-headers-for-66-70-ford-351w-windsor-w-o-egr-a-i-r-d669y-ss 2026-08-14T08:45:29-04:00 daily https://cdn.shopify.com/s/files/1/2493/0960/files/abe59fd545a092aca111c4e88773b4d0.jpg?v=1786705159 Tri-Y Headers for 66-70 Ford 351W Windsor W/O EGR/A.I.R. 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