{"product_id":"spdz1-mustang-1-7-8-longtube-headers-x-pipe-2015-2023-5-0l-coyote","title":"SPDZ1 Mustang 1 7\/8\" Longtube Headers \u0026 X-Pipe 2015-2023 5.0L Coyote","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eSPDZ1 1 7\/8\" Longtube Headers \u0026amp; X-Pipe – 2015–2023 Mustang GT 5.0L Coyote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"371\" data-end=\"672\"\u003eUnlock the full potential of your \u003cstrong data-start=\"405\" data-end=\"441\"\u003e2015–2023 Mustang GT 5.0L Coyote\u003c\/strong\u003e with the \u003cstrong data-start=\"451\" data-end=\"500\"\u003eSPDZ1 1 7\/8\" Longtube Headers \u0026amp; X-Pipe System\u003c\/strong\u003e. Engineered for enthusiasts who demand real horsepower gains and a race-inspired exhaust note, this complete system is built to outperform stock and budget alternatives.\u003c\/p\u003e\n\u003cp data-start=\"674\" data-end=\"1048\"\u003eCrafted from \u003cstrong data-start=\"687\" data-end=\"718\"\u003epremium 304 stainless steel\u003c\/strong\u003e with precision TIG welds and CNC-machined flanges, SPDZ1 headers are designed for \u003cstrong data-start=\"801\" data-end=\"871\"\u003emaximum durability, perfect fitment, and unrestricted exhaust flow\u003c\/strong\u003e. The included \u003cstrong data-start=\"886\" data-end=\"899\"\u003e3” X-Pipe\u003c\/strong\u003e balances exhaust pulses for improved scavenging, sharper throttle response, and an aggressive tone that commands attention on the street or track.\u003c\/p\u003e\n\u003ch3 data-start=\"1050\" data-end=\"1074\"\u003e✅ \u003cstrong data-start=\"1056\" data-end=\"1072\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1075\" data-end=\"1785\"\u003e\n\u003cli data-start=\"1075\" data-end=\"1169\"\u003e\n\u003cp data-start=\"1077\" data-end=\"1169\"\u003e\u003cstrong data-start=\"1077\" data-end=\"1110\"\u003eMandrel-Bent 1 7\/8” Primaries\u003c\/strong\u003e – Large-diameter tubing for maximum airflow \u0026amp; horsepower\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1170\" data-end=\"1261\"\u003e\n\u003cp data-start=\"1172\" data-end=\"1261\"\u003e\u003cstrong data-start=\"1172\" data-end=\"1205\"\u003e3” Collector with Merge Spike\u003c\/strong\u003e – Improves exhaust velocity and scavenging efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1262\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1264\" data-end=\"1340\"\u003e\u003cstrong data-start=\"1264\" data-end=\"1295\"\u003eTrue Longtube Header Design\u003c\/strong\u003e – Gains of \u003cstrong data-start=\"1307\" data-end=\"1319\"\u003e25+ rwhp\u003c\/strong\u003e with proper tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1341\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1343\" data-end=\"1437\"\u003e\u003cstrong data-start=\"1343\" data-end=\"1374\"\u003ePrecision TIG-Welded Joints\u003c\/strong\u003e – Strong, clean welds built for high-performance heat cycles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1438\" data-end=\"1518\"\u003e\n\u003cp data-start=\"1440\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1440\" data-end=\"1478\"\u003eCNC-Machined, Port-Matched Flanges\u003c\/strong\u003e – Leak-free seal and OE-level fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1611\"\u003e\n\u003cp data-start=\"1521\" data-end=\"1611\"\u003e\u003cstrong data-start=\"1521\" data-end=\"1562\"\u003eFull 304 Stainless Steel Construction\u003c\/strong\u003e – Corrosion-resistant natural stainless finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1612\" data-end=\"1704\"\u003e\n\u003cp data-start=\"1614\" data-end=\"1704\"\u003e\u003cstrong data-start=\"1614\" data-end=\"1663\"\u003eGraphite Manifold Gaskets \u0026amp; Hardware Included\u003c\/strong\u003e – Ready-to-install performance upgrade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1705\" data-end=\"1785\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1785\"\u003e\u003cstrong data-start=\"1707\" data-end=\"1726\"\u003eX-Pipe Included\u003c\/strong\u003e – Optimizes exhaust tone \u0026amp; flow for balanced performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1787\" data-end=\"1790\"\u003e\n\u003cp data-start=\"1792\" data-end=\"1814\"\u003e⚠️ \u003cstrong data-start=\"1795\" data-end=\"1812\"\u003eFitment Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1815\" data-end=\"2090\"\u003e\n\u003cli data-start=\"1815\" data-end=\"1868\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1868\"\u003eFits \u003cstrong data-start=\"1822\" data-end=\"1866\"\u003e2015–2023 Mustang GT 5.0L Coyote engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1869\" data-end=\"1957\"\u003e\n\u003cp data-start=\"1871\" data-end=\"1957\"\u003eGen 1 (2011) and some Gen 3 (2018+) Coyote engines may use \u003cstrong data-start=\"1930\" data-end=\"1955\"\u003eM10x1.25 header bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1958\" data-end=\"2038\"\u003e\n\u003cp data-start=\"1960\" data-end=\"2038\"\u003eLate Gen 1 (2011) \u0026amp; Gen 2 (2015–2017) typically use \u003cstrong data-start=\"2012\" data-end=\"2036\"\u003eM10x1.5 header bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2039\" data-end=\"2090\"\u003e\n\u003cp data-start=\"2041\" data-end=\"2090\"\u003ePlease confirm thread pitch before installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2039\" data-end=\"2090\"\u003eWe suggest the use of our O2 extension wires for a quick easy install, you can purchase the 2015-2017 hardnesses \u003cstrong\u003e\u003ca href=\"https:\/\/speedzone-web.com\/products\/spdz1-mustang-square-6-pin-o2-extensions-2015-2017\" title=\"2015-2017 Mustang O2 Harnesses\"\u003ehere\u003c\/a\u003e\u003c\/strong\u003e, and the 2018+ harnesses \u003cstrong\u003e\u003ca href=\"https:\/\/speedzone-web.com\/products\/spdz1-mustang-flat-5-pin-o2-extensions-2018\" title=\"2018+ Mustang O2 Harnesses\"\u003ehere\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2092\" data-end=\"2095\"\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2228\" data-start=\"2168\"\u003e \u003c\/p\u003e","brand":"Speedzone Performance LLC","offers":[{"title":"Default Title","offer_id":45162306830515,"sku":"SZY-043-CATLESS","price":549.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/1331\/2435\/files\/IMG-3132.jpg?v=1764719968","url":"https:\/\/gearsautoworks.com\/products\/spdz1-mustang-1-7-8-longtube-headers-x-pipe-2015-2023-5-0l-coyote","provider":"Gears Auto Works Performance","version":"1.0","type":"link"}