{"product_id":"audi-s8-d4-control-exhaust-system","title":"Audi S8 D4 Control Exhaust System","description":"\u003cp data-start=\"25\" data-end=\"77\"\u003eControl the twin-turbo V8. Refined when you want it.\u003c\/p\u003e\n\u003cp data-start=\"79\" data-end=\"432\"\u003eThe \u003cstrong data-start=\"83\" data-end=\"130\"\u003e2012–2018 Audi S8 D4 Control Exhaust System\u003c\/strong\u003e is engineered to give you full command over the twin-turbocharged 4.0L TFSI V8, balancing refined comfort with aggressive performance. Featuring a \u003cstrong data-start=\"278\" data-end=\"311\"\u003evalved Control catback system\u003c\/strong\u003e, it allows you to switch seamlessly between a quiet, composed tone and a louder, more aggressive exhaust note on demand.\u003c\/p\u003e\n\u003cp data-start=\"434\" data-end=\"631\"\u003eAvailable in \u003cstrong data-start=\"447\" data-end=\"490\"\u003estainless steel 304 or Grade 5 titanium\u003c\/strong\u003e, this system gives you the choice between durability with a deep, refined tone, or reduced weight with a sharper, more exotic sound profile.\u003c\/p\u003e\n\u003cp data-start=\"633\" data-end=\"1003\"\u003eDesigned to improve exhaust flow over the restrictive factory system, this setup enhances \u003cstrong data-start=\"723\" data-end=\"781\"\u003eturbo response, throttle precision, and power delivery\u003c\/strong\u003e, while maintaining the S8’s luxury character when needed. Performance exhaust systems on the 4.0T platform are known to improve airflow and responsiveness through reduced restriction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1005\" data-end=\"1240\"\u003eWith valves closed, the system remains \u003cstrong data-start=\"1044\" data-end=\"1074\"\u003equiet, smooth, and refined, \u003c\/strong\u003eperfect for daily driving. Open the valves, and it transforms into a \u003cstrong data-start=\"1146\" data-end=\"1199\"\u003edeeper, louder, and more aggressive twin-turbo V8\u003c\/strong\u003e, unlocking the true character of the S8.\u003c\/p\u003e\n\u003cp data-start=\"1242\" data-end=\"1496\"\u003eConstructed using \u003cstrong data-start=\"1260\" data-end=\"1285\"\u003eprecision TIG welding\u003c\/strong\u003e and \u003cstrong data-start=\"1290\" data-end=\"1313\"\u003emandrel-bent tubing\u003c\/strong\u003e, the system is built to withstand high temperatures while maintaining optimal airflow. Designed as a \u003cstrong data-start=\"1415\" data-end=\"1440\"\u003edirect bolt-on system\u003c\/strong\u003e, installation is seamless with \u003cstrong data-start=\"1472\" data-end=\"1495\"\u003eno cutting required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1498\" data-end=\"1553\"\u003eLuxury when you need it.\u003cbr data-start=\"1522\" data-end=\"1525\"\u003eAggression when you want it.\u003c\/p\u003e\n\u003cp data-start=\"1555\" data-end=\"1920\"\u003e\u003cstrong data-start=\"1555\" data-end=\"1572\"\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e• Valved \u003cstrong data-start=\"1582\" data-end=\"1608\"\u003eControl exhaust system\u003c\/strong\u003e (quiet to aggressive on demand)\u003cbr data-start=\"1640\" data-end=\"1643\"\u003e• Improved \u003cstrong data-start=\"1654\" data-end=\"1689\"\u003eexhaust flow and turbo response\u003c\/strong\u003e\u003cbr data-start=\"1689\" data-end=\"1692\"\u003e• Enhanced \u003cstrong data-start=\"1703\" data-end=\"1738\"\u003etwin-turbo V8 exhaust character\u003c\/strong\u003e\u003cbr data-start=\"1738\" data-end=\"1741\"\u003e• Available in \u003cstrong data-start=\"1756\" data-end=\"1799\"\u003estainless steel 304 or Grade 5 titanium\u003c\/strong\u003e\u003cbr data-start=\"1799\" data-end=\"1802\"\u003e• \u003cstrong data-start=\"1804\" data-end=\"1831\"\u003eTIG welded construction\u003c\/strong\u003e\u003cbr data-start=\"1831\" data-end=\"1834\"\u003e• \u003cstrong data-start=\"1836\" data-end=\"1859\"\u003eMandrel-bent piping\u003c\/strong\u003e for maximum efficiency\u003cbr data-start=\"1882\" data-end=\"1885\"\u003e• \u003cstrong data-start=\"1887\" data-end=\"1918\"\u003eDirect bolt-on installation\u003c\/strong\u003e\u003c\/p\u003e","brand":"HPH","offers":[{"title":"Stainless Steel","offer_id":51382065889578,"sku":"AUD-S8-D4-CB-SS","price":3146.0,"currency_code":"USD","in_stock":true},{"title":"Titanium","offer_id":51382065922346,"sku":"AUD-S8-D4-CB-TI","price":4400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/9399\/0186\/files\/3_f1adfe31-3b35-4267-99d1-dbb9db72cd9e.jpg?v=1775376460","url":"https:\/\/hphouseae.com\/products\/audi-s8-d4-control-exhaust-system","provider":"HPHouse","version":"1.0","type":"link"}