{"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-end=\"672\" data-start=\"371\"\u003eUnlock the full potential of your \u003cstrong data-end=\"441\" data-start=\"405\"\u003e2015–2023 Mustang GT 5.0L Coyote\u003c\/strong\u003e with the \u003cstrong data-end=\"500\" data-start=\"451\"\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-end=\"1048\" data-start=\"674\"\u003eCrafted from \u003cstrong data-end=\"718\" data-start=\"687\"\u003epremium 304 stainless steel\u003c\/strong\u003e with precision TIG welds and CNC-machined flanges, SPDZ1 headers are designed for \u003cstrong data-end=\"871\" data-start=\"801\"\u003emaximum durability, perfect fitment, and unrestricted exhaust flow\u003c\/strong\u003e. The included \u003cstrong data-end=\"899\" data-start=\"886\"\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-end=\"1074\" data-start=\"1050\"\u003e✅ \u003cstrong data-end=\"1072\" data-start=\"1056\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-end=\"1785\" data-start=\"1075\"\u003e\n\u003cli data-end=\"1169\" data-start=\"1075\"\u003e\n\u003cp data-end=\"1169\" data-start=\"1077\"\u003e\u003cstrong data-end=\"1110\" data-start=\"1077\"\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-end=\"1261\" data-start=\"1170\"\u003e\n\u003cp data-end=\"1261\" data-start=\"1172\"\u003e\u003cstrong data-end=\"1205\" data-start=\"1172\"\u003e3” Collector with Merge Spike\u003c\/strong\u003e – Improves exhaust velocity and scavenging efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1340\" data-start=\"1262\"\u003e\n\u003cp data-end=\"1340\" data-start=\"1264\"\u003e\u003cstrong data-end=\"1295\" data-start=\"1264\"\u003eTrue Longtube Header Design\u003c\/strong\u003e – Gains of \u003cstrong data-end=\"1319\" data-start=\"1307\"\u003e25+ rwhp\u003c\/strong\u003e with proper tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1437\" data-start=\"1341\"\u003e\n\u003cp data-end=\"1437\" data-start=\"1343\"\u003e\u003cstrong data-end=\"1374\" data-start=\"1343\"\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-end=\"1518\" data-start=\"1438\"\u003e\n\u003cp data-end=\"1518\" data-start=\"1440\"\u003e\u003cstrong data-end=\"1478\" data-start=\"1440\"\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-end=\"1611\" data-start=\"1519\"\u003e\n\u003cp data-end=\"1611\" data-start=\"1521\"\u003e\u003cstrong data-end=\"1562\" data-start=\"1521\"\u003eFull 304 Stainless Steel Construction\u003c\/strong\u003e – Corrosion-resistant natural stainless finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1704\" data-start=\"1612\"\u003e\n\u003cp data-end=\"1704\" data-start=\"1614\"\u003e\u003cstrong data-end=\"1663\" data-start=\"1614\"\u003eGraphite Manifold Gaskets \u0026amp; Hardware Included\u003c\/strong\u003e – Ready-to-install performance upgrade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1785\" data-start=\"1705\"\u003e\n\u003cp data-end=\"1785\" data-start=\"1707\"\u003e\u003cstrong data-end=\"1726\" data-start=\"1707\"\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-end=\"1790\" data-start=\"1787\"\u003e\n\u003cp data-end=\"1814\" data-start=\"1792\"\u003e⚠️ \u003cstrong data-end=\"1812\" data-start=\"1795\"\u003eFitment Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2090\" data-start=\"1815\"\u003e\n\u003cli data-end=\"1868\" data-start=\"1815\"\u003e\n\u003cp data-end=\"1868\" data-start=\"1817\"\u003eFits \u003cstrong data-end=\"1866\" data-start=\"1822\"\u003e2015–2023 Mustang GT 5.0L Coyote engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1957\" data-start=\"1869\"\u003e\n\u003cp data-end=\"1957\" data-start=\"1871\"\u003eGen 1 (2011) and some Gen 3 (2018+) Coyote engines may use \u003cstrong data-end=\"1955\" data-start=\"1930\"\u003eM10x1.25 header bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2038\" data-start=\"1958\"\u003e\n\u003cp data-end=\"2038\" data-start=\"1960\"\u003eLate Gen 1 (2011) \u0026amp; Gen 2 (2015–2017) typically use \u003cstrong data-end=\"2036\" data-start=\"2012\"\u003eM10x1.5 header bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2090\" data-start=\"2039\"\u003e\n\u003cp data-end=\"2090\" data-start=\"2041\"\u003ePlease confirm thread pitch before installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2090\" data-start=\"2039\"\u003eWe suggest the use of our O2 extension wires for a quick easy install, you can purchase the 2015-2017 hardnesses \u003cstrong\u003e\u003ca title=\"2015-2017 Mustang O2 Harnesses\" href=\"https:\/\/speedzone-web.com\/products\/spdz1-mustang-square-6-pin-o2-extensions-2015-2017\"\u003ehere\u003c\/a\u003e\u003c\/strong\u003e, and the 2018+ harnesses \u003cstrong\u003e\u003ca title=\"2018+ Mustang O2 Harnesses\" href=\"https:\/\/speedzone-web.com\/products\/spdz1-mustang-flat-5-pin-o2-extensions-2018\"\u003ehere\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2095\" data-start=\"2092\"\u003e\n\u003cp data-end=\"2358\" data-start=\"2097\"\u003e💡 \u003cstrong data-end=\"2121\" data-start=\"2100\"\u003eWhy Choose SPDZ1?\u003c\/strong\u003e\u003cbr data-end=\"2124\" data-start=\"2121\"\u003eUnlike mass-produced budget options, every SPDZ1 header system is \u003cstrong data-end=\"2238\" data-start=\"2190\"\u003edyno-tested, track-proven, and built to last\u003c\/strong\u003e. From stronger welds to precision collectors, SPDZ1 delivers the power, sound, and reliability your Mustang deserves.\u003c\/p\u003e\n\u003cp data-end=\"2431\" data-start=\"2360\"\u003e📦 Includes: Headers, X-Pipe, gaskets, clamps \u0026amp; installation hardware\u003c\/p\u003e\n\u003chr data-end=\"2436\" data-start=\"2433\"\u003e\n\u003cp data-end=\"2573\" data-start=\"2438\"\u003e👉 \u003cstrong data-end=\"2571\" data-start=\"2441\"\u003eTake your Coyote to the next level with SPDZ1 — proven power, unmatched quality, and aggressive sound in one complete package.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2168\" data-end=\"2228\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"2168\" data-end=\"2228\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eIN STOCK AND READY TO SHIP!!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"SPDZ1","offers":[{"title":"Default Title","offer_id":41728040140885,"sku":"SZY-043-CATLESS","price":549.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/5040\/files\/IMG-3132.jpg?v=1761675672","url":"https:\/\/speedzone-web.com\/products\/spdz1-mustang-1-7-8-longtube-headers-x-pipe-2015-2023-5-0l-coyote","provider":"Speedzone Performance LLC","version":"1.0","type":"link"}