{"product_id":"long-tube-headers-for-304-stainless-1-3-4in-primary-stainless-steel-d567-ss","title":"Long Tube Headers for 304 Stainless 1-3\/4in Primary Stainless Steel D567-SS","description":"\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e64-67 GTO 455 HO Long Tube 304 Stainless\u003c\/p\u003e\u003cp\u003eLong tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNatural stainless-steel finish offers superior resistance to rust and corrosion\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick 304 stainless machine flanges to prevent warping\u003c\/li\u003e\n\u003cli\u003eCNC 304 stainless mandrel bent tubes for an accurate fit and improved flow\u003c\/li\u003e\n\u003cli\u003ePrecision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003eDoug's Headers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Attachment: \u003c\/strong\u003e3-Bolt Flange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Diameter: \u003c\/strong\u003e3.5 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Port Diameter: \u003c\/strong\u003e3.5 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor: \u003c\/strong\u003eSilver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Head Port Shape: \u003c\/strong\u003eRound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign: \u003c\/strong\u003eFull-length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEGT Port: \u003c\/strong\u003eNo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish: \u003c\/strong\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Thickness: \u003c\/strong\u003e0.375 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Or Seal Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGaskets Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type: \u003c\/strong\u003ePerformance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Material: \u003c\/strong\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Style: \u003c\/strong\u003eFull-length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hardware Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen Sensor Port: \u003c\/strong\u003eNo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Shape: \u003c\/strong\u003eRound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Tube Outside Diameter: \u003c\/strong\u003e1.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Tubing Diameter: \u003c\/strong\u003e1.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65 (C, R or CR): \u003c\/strong\u003eCR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65 Yes\/No: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen Level: \u003c\/strong\u003eSatin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle: \u003c\/strong\u003eDoug's Headers D567-SS 304 Stainless Long Tube Header 64-67 GTO 455 W\/HO\/SD\/Ram Air Heads only 1 7\/8\" Primary 3 1\/2\" Collector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Wall Thickness: \u003c\/strong\u003e16 GU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number: \u003c\/strong\u003eD567-SS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1964-1966 Pontiac GTO 389 CID\u003c\/li\u003e\n\u003cli\u003e1967-1972 Pontiac GTO 400 CID\u003c\/li\u003e\n\u003cli\u003e1970-1972 Pontiac GTO 455 CID\u003c\/li\u003e\n\u003cli\u003e1964-1967 Pontiac LeMans 326 CID\u003c\/li\u003e\n\u003cli\u003e1968-1972 Pontiac LeMans 350 CID\u003c\/li\u003e\n\u003cli\u003e1968-1972 Pontiac LeMans 400 CID\u003c\/li\u003e\n\u003cli\u003e1970-1972 Pontiac LeMans 455 CID\u003c\/li\u003e\n\u003cli\u003e1964-1967 Pontiac Tempest 326 CID\u003c\/li\u003e\n\u003cli\u003e1968-1970 Pontiac Tempest 350 CID\u003c\/li\u003e\n\u003cli\u003e1968-1970 Pontiac Tempest 400 CID\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThis product is Legal for use on Pre-Pollution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows\u003cul\u003e\n\u003cli\u003e1965 and Older US Manufactured California Certified Vehicles\u003c\/li\u003e\n\u003cli\u003e1967 and Older US Manufactured Federally Certified Vehicles\u003c\/li\u003e\n\u003cli\u003e1967 and Older Foreign Manufactured Vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment Notes: \u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Edelbrock Performer RPM, RAM-Air, Super Duty and H.O. Round Port Heads only\u003c\/li\u003e\n\u003cli\u003eRequires removal or modification of locking steering columns if equipped.\u003c\/li\u003e\n\u003cli\u003e4 speed applications must modify the Z-Bar to clear the headers.\u003c\/li\u003e\n\u003cli\u003eApplication with scatter shield or factory bell housings with dual starter pockets must use WIX oil filter PN 51522 or equivalent.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doug's Headers","offers":[{"title":"Default Title","offer_id":54508659802325,"sku":"D567-SS-BKLK","price":1325.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/01971e57abc93f2add8910a2f3a5185e.jpg?v=1786703228","url":"https:\/\/moderndaymuffler.com\/products\/long-tube-headers-for-304-stainless-1-3-4in-primary-stainless-steel-d567-ss","provider":"Modern Day Muffler","version":"1.0","type":"link"}