{"product_id":"1999-2000-mazda-miata-mx5-1-8l-4-2-1-15-8-ss-header-xforce-hs-9918","title":"1999-2000 Mazda Miata MX5 1.8L 4-2-1 SS 1-5\/8 Header XForce HS-9918","description":"\u003cp data-start=\"0\" data-end=\"86\"\u003e\u003cstrong data-start=\"0\" data-end=\"86\"\u003eEnhance Your Mazda MX-5's Performance with the XForce 4-2-1 Stainless Steel Header\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp data-start=\"88\" data-end=\"360\"\u003eUpgrade your 1999-2000 Mazda MX-5 Miata's exhaust system with the XForce 4-2-1 Stainless Steel Header (Part Number: HS-9918). This high-quality header is engineered to improve exhaust flow, resulting in enhanced engine performance and a more responsive driving experience.\u003c\/p\u003e\r\n\u003ch3 data-start=\"362\" data-end=\"379\"\u003eKey Features:\u003c\/h3\u003e\r\n\u003cul data-start=\"381\" data-end=\"985\"\u003e\r\n\u003cli data-start=\"381\" data-end=\"519\"\u003e\r\n\u003cstrong data-start=\"383\" data-end=\"400\"\u003eTri-Y Design:\u003c\/strong\u003e The 4-2-1 configuration optimizes exhaust scavenging, leading to increased horsepower and torque across the RPM range.\u003c\/li\u003e\r\n\u003cli data-start=\"520\" data-end=\"659\"\u003e\r\n\u003cstrong data-start=\"522\" data-end=\"555\"\u003eStainless Steel Construction:\u003c\/strong\u003e Made from durable 304 stainless steel, this header offers excellent corrosion resistance and longevity.\u003c\/li\u003e\r\n\u003cli data-start=\"660\" data-end=\"797\"\u003e\r\n\u003cstrong data-start=\"662\" data-end=\"688\"\u003ePrecision Engineering:\u003c\/strong\u003e Mandrel-bent tubing ensures smooth exhaust flow, while CNC-machined flanges provide a secure, leak-free fit.\u003c\/li\u003e\r\n\u003cli data-start=\"798\" data-end=\"823\"\u003e\r\n\u003cstrong data-start=\"800\" data-end=\"814\"\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\r\n\u003cli data-start=\"824\" data-end=\"985\"\u003e\r\n\u003cstrong data-start=\"826\" data-end=\"857\"\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3 data-start=\"987\" data-end=\"1006\"\u003eSpecifications:\u003c\/h3\u003e\r\n\u003cul data-start=\"1008\" data-end=\"1589\"\u003e\r\n\u003cli data-start=\"1008\" data-end=\"1027\"\u003e\r\n\u003cstrong data-start=\"1010\" data-end=\"1020\"\u003eBrand:\u003c\/strong\u003e XForce\u003c\/li\u003e\r\n\u003cli data-start=\"1028\" data-end=\"1054\"\u003e\r\n\u003cstrong data-start=\"1030\" data-end=\"1039\"\u003eType:\u003c\/strong\u003e Exhaust Header\u003c\/li\u003e\r\n\u003cli data-start=\"1055\" data-end=\"1111\"\u003e\r\n\u003cstrong data-start=\"1057\" data-end=\"1076\"\u003eItems Included:\u003c\/strong\u003e Header, Gaskets, Mounting Hardware\u003c\/li\u003e\r\n\u003cli data-start=\"1112\" data-end=\"1147\"\u003e\r\n\u003cstrong data-start=\"1114\" data-end=\"1127\"\u003eMaterial:\u003c\/strong\u003e 304 Stainless Steel\u003c\/li\u003e\r\n\u003cli data-start=\"1148\" data-end=\"1189\"\u003e\r\n\u003cstrong data-start=\"1150\" data-end=\"1173\"\u003eSubstrate Material:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\r\n\u003cli data-start=\"1190\" data-end=\"1231\"\u003e\r\n\u003cstrong data-start=\"1192\" data-end=\"1218\"\u003ePrimary Tube Diameter:\u003c\/strong\u003e 1 5\/8 inches\u003c\/li\u003e\r\n\u003cli data-start=\"1232\" data-end=\"1282\"\u003e\r\n\u003cstrong data-start=\"1234\" data-end=\"1251\"\u003eHeader Style:\u003c\/strong\u003e Tri-Y (4-2-1) One-Piece Design\u003c\/li\u003e\r\n\u003cli data-start=\"1283\" data-end=\"1324\"\u003e\r\n\u003cstrong data-start=\"1285\" data-end=\"1310\"\u003eCollector Attachment:\u003c\/strong\u003e 2-Bolt Flange\u003c\/li\u003e\r\n\u003cli data-start=\"1325\" data-end=\"1362\"\u003e\r\n\u003cstrong data-start=\"1327\" data-end=\"1338\"\u003eFinish:\u003c\/strong\u003e Natural Stainless Steel\u003c\/li\u003e\r\n\u003cli data-start=\"1363\" data-end=\"1442\"\u003e\r\n\u003cstrong data-start=\"1365\" data-end=\"1378\"\u003eFeatures:\u003c\/strong\u003e Mandrel-Bent Tubing, CNC-Machined Flanges, Bolt-On Installation\u003c\/li\u003e\r\n\u003cli data-start=\"1443\" data-end=\"1468\"\u003e\r\n\u003cstrong data-start=\"1445\" data-end=\"1459\"\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\r\n\u003cli data-start=\"1469\" data-end=\"1515\"\u003e\r\n\u003cstrong data-start=\"1471\" data-end=\"1496\"\u003ePlacement on Vehicle:\u003c\/strong\u003e Front (Engine Bay)\u003c\/li\u003e\r\n\u003cli data-start=\"1516\" data-end=\"1555\"\u003e\r\n\u003cstrong data-start=\"1518\" data-end=\"1547\"\u003eManufacturer Part Number:\u003c\/strong\u003e HS-9918\u003c\/li\u003e\r\n\u003cli data-start=\"1556\" data-end=\"1589\"\u003e\r\n\u003cstrong data-start=\"1558\" data-end=\"1581\"\u003eOE\/OEM Part Number:\u003c\/strong\u003e HS-9918\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3 data-start=\"1591\" data-end=\"1617\"\u003eVehicle Compatibility:\u003c\/h3\u003e\r\n\u003cp data-start=\"1619\" data-end=\"1688\"\u003eThis header is designed to fit the following Mazda MX-5 Miata models:\u003c\/p\u003e\r\n\u003cul data-start=\"1690\" data-end=\"1746\"\u003e\r\n\u003cli data-start=\"1690\" data-end=\"1746\"\u003e\r\n\u003cstrong data-start=\"1692\" data-end=\"1723\"\u003e1999-2000 Mazda MX-5 Miata:\u003c\/strong\u003e 1.8L 4-cylinder engine\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp data-start=\"1748\" data-end=\"1899\"\u003e\u003cem data-start=\"1748\" data-end=\"1755\"\u003eNote:\u003c\/em\u003e While some references indicate compatibility with 1998-2005 models, it is recommended to verify fitment for models outside the 1999-2000 range.\u003c\/p\u003e\r\n\u003ch3 data-start=\"1901\" data-end=\"1920\"\u003eItems Included:\u003c\/h3\u003e\r\n\u003cul data-start=\"1922\" data-end=\"2011\"\u003e\r\n\u003cli data-start=\"1922\" data-end=\"1973\"\u003e\u003cstrong data-start=\"1924\" data-end=\"1973\"\u003eXForce 4-2-1 Stainless Steel Header (HS-9918)\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003cli data-start=\"1974\" data-end=\"1987\"\u003e\u003cstrong data-start=\"1976\" data-end=\"1987\"\u003eGaskets\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003cli data-start=\"1988\" data-end=\"2011\"\u003e\u003cstrong data-start=\"1990\" data-end=\"2011\"\u003eMounting Hardware\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3 data-start=\"2013\" data-end=\"2036\"\u003eInstallation Notes:\u003c\/h3\u003e\r\n\u003cul data-start=\"2038\" data-end=\"2409\"\u003e\r\n\u003cli data-start=\"2038\" data-end=\"2217\"\u003e\r\n\u003cstrong data-start=\"2040\" data-end=\"2082\"\u003eProfessional Installation Recommended:\u003c\/strong\u003e Due to the complexity of exhaust system modifications, professional installation is advised to ensure optimal performance and fitment.\u003c\/li\u003e\r\n\u003cli data-start=\"2218\" data-end=\"2307\"\u003e\r\n\u003cstrong data-start=\"2220\" data-end=\"2244\"\u003eNo Welding Required:\u003c\/strong\u003e Designed for a bolt-on installation using standard hand tools.\u003c\/li\u003e\r\n\u003cli data-start=\"2308\" data-end=\"2409\"\u003e\r\n\u003cstrong data-start=\"2310\" data-end=\"2327\"\u003eComplete Kit:\u003c\/strong\u003e Includes all necessary gaskets and mounting hardware for a complete installation.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp data-start=\"2411\" data-end=\"2580\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eUpgrade your Mazda MX-5 Miata's exhaust system with the XForce HS-9918 header to experience improved performance, durability, and a more exhilarating driving experience.\u003c\/p\u003e\r\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"XFORCE","offers":[{"title":"Default Title","offer_id":45081226707157,"sku":"HS-9918-XFO","price":387.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/1999-2000-mazda-miata-mx5-1-8l-4-2-1-1-58-ss-header-xforce-hs-9918-modern-day-muffler-1.png?v=1739554450","url":"https:\/\/moderndaymuffler.com\/products\/1999-2000-mazda-miata-mx5-1-8l-4-2-1-15-8-ss-header-xforce-hs-9918","provider":"Modern Day Muffler","version":"1.0","type":"link"}