{"product_id":"audi-s8-d4-primary-pipes","title":"Audi S8 D4 Primary Pipes","description":"\u003cp data-start=\"25\" data-end=\"63\"\u003eFree the twin-turbo V8. Unlock the S8.\u003c\/p\u003e\n\u003cp data-start=\"65\" data-end=\"303\"\u003eThe \u003cstrong data-start=\"69\" data-end=\"107\"\u003e2012–2018 Audi S8 D4 Primary Pipes\u003c\/strong\u003e are engineered to replace the factory restrictive catalytic section, allowing the twin-turbocharged 4.0L TFSI V8 to breathe more efficiently and deliver stronger performance across the RPM range.\u003c\/p\u003e\n\u003cp data-start=\"305\" data-end=\"556\"\u003eAvailable as \u003cstrong data-start=\"318\" data-end=\"340\"\u003eRace Pipes (decat)\u003c\/strong\u003e or \u003cstrong data-start=\"344\" data-end=\"389\"\u003eStreet Pipes (high-flow 100\/200\/300 cell)\u003c\/strong\u003e, this upgrade gives you the flexibility to choose between maximum flow with a raw, aggressive tone, or a more balanced, road-friendly setup with improved performance.\u003c\/p\u003e\n\u003cp data-start=\"558\" data-end=\"925\"\u003eBy reducing backpressure directly from the turbochargers, these primary pipes significantly improve \u003cstrong data-start=\"658\" data-end=\"678\"\u003eturbo efficiency, \u003c\/strong\u003eresulting in \u003cstrong data-start=\"694\" data-end=\"767\"\u003efaster spool, sharper throttle response, and increased power delivery\u003c\/strong\u003e. The S8’s 4.0T platform responds aggressively to reduced restriction, unlocking more of its true performance potential. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"927\" data-end=\"1193\"\u003eConstructed using \u003cstrong data-start=\"945\" data-end=\"970\"\u003eprecision TIG welding\u003c\/strong\u003e and \u003cstrong data-start=\"975\" data-end=\"998\"\u003emandrel-bent tubing\u003c\/strong\u003e, these pipes are built to withstand high temperatures while maintaining optimal flow efficiency. Designed as a \u003cstrong data-start=\"1110\" data-end=\"1137\"\u003edirect bolt-on solution\u003c\/strong\u003e, installation is seamless with \u003cstrong data-start=\"1169\" data-end=\"1192\"\u003eno cutting required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1195\" data-end=\"1249\"\u003eThis isn’t just louder.\u003cbr data-start=\"1218\" data-end=\"1221\"\u003eThis is boosted performance.\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1649\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1268\"\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e• Primary Pipes available as \u003cstrong data-start=\"1298\" data-end=\"1343\"\u003eRace (decat) or Street (100\/200\/300 cell)\u003c\/strong\u003e\u003cbr data-start=\"1343\" data-end=\"1346\"\u003e• Increased \u003cstrong data-start=\"1358\" data-end=\"1381\"\u003ehorsepower \u0026amp; torque\u003c\/strong\u003e\u003cbr data-start=\"1381\" data-end=\"1384\"\u003e• Faster \u003cstrong data-start=\"1393\" data-end=\"1428\"\u003eturbo spool \u0026amp; throttle response\u003c\/strong\u003e\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e• Reduced exhaust restriction for maximum flow\u003cbr data-start=\"1477\" data-end=\"1480\"\u003e• More aggressive \u003cstrong data-start=\"1498\" data-end=\"1528\"\u003etwin-turbo V8 exhaust tone\u003c\/strong\u003e\u003cbr data-start=\"1528\" data-end=\"1531\"\u003e• \u003cstrong data-start=\"1533\" data-end=\"1560\"\u003eTIG welded construction\u003c\/strong\u003e\u003cbr data-start=\"1560\" data-end=\"1563\"\u003e• \u003cstrong data-start=\"1565\" data-end=\"1588\"\u003eMandrel-bent piping\u003c\/strong\u003e for maximum efficiency\u003cbr data-start=\"1611\" data-end=\"1614\"\u003e• \u003cstrong data-start=\"1616\" data-end=\"1647\"\u003eDirect bolt-on installation\u003c\/strong\u003e\u003c\/p\u003e","brand":"HPH","offers":[{"title":"Default Title","offer_id":51382065660202,"sku":"AUD-S8-D4-DP-DC","price":1914.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/9399\/0186\/files\/O_o6_4f1faaa9-12f0-4869-aed1-3bb085089f46.jpg?v=1775376409","url":"https:\/\/hphouseae.com\/products\/audi-s8-d4-primary-pipes","provider":"HPHouse","version":"1.0","type":"link"}