{"product_id":"audi-b8-b8-5-s4-s5-valved-sport-exhaust-system","title":"Valvetronic Designs - Audi B8 \/ B8.5 S4 \/ S5 Valved Sport Exhaust System","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/aXAAuk8GqMk\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 data-end=\"164\" data-start=\"112\"\u003e\u003cstrong data-end=\"162\" data-start=\"114\"\u003eAudi B8 \/ B8.5 S4 \u0026amp; S5 Valved Exhaust System\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 data-end=\"230\" data-start=\"165\"\u003eT304 Stainless Steel, High-Pitch X-Pipe, Vacuum Valve Control\u003c\/h3\u003e\n\u003chr data-end=\"235\" data-start=\"232\"\u003e\n\u003ch2 data-end=\"254\" data-start=\"237\"\u003e\u003cstrong data-end=\"252\" data-start=\"240\"\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"533\" data-start=\"255\"\u003eTransform your supercharged V6 into a true auditory experience.\u003cbr data-end=\"321\" data-start=\"318\"\u003eOur Valvetronic Designs Valved Exhaust System for the Audi B8 and B8.5 S4\/S5 delivers a unique, high-pitch wail while retaining low-end rawness for a sound profile unlike anything the platform has heard before.\u003c\/p\u003e\n\u003cp data-end=\"936\" data-start=\"535\"\u003eConstructed entirely from T304 stainless steel and featuring our \u003cstrong data-end=\"632\" data-start=\"600\"\u003ehigh-pitch X-pipe technology\u003c\/strong\u003e, this system runs 2.5 inches from front to rear, unlocking an exhilarating tone across the entire rev range. With integrated vacuum-actuated valves controlled via an included key fob remote, you have instant flexibility to switch from refined cruising to an aggressive, motorsport-inspired soundtrack.\u003c\/p\u003e\n\u003cp data-end=\"936\" data-start=\"535\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/KSPXN4vcLZU\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr data-end=\"941\" data-start=\"938\"\u003e\n\u003ch2 data-end=\"964\" data-start=\"943\"\u003e\u003cstrong data-end=\"962\" data-start=\"946\"\u003eWhy It Works\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1255\" data-start=\"965\"\u003e\n\u003cli data-end=\"1060\" data-start=\"965\"\u003e\n\u003cp data-end=\"1060\" data-start=\"967\"\u003e\u003cstrong data-end=\"1000\" data-start=\"967\"\u003eHigh-Pitch X-Pipe Technology:\u003c\/strong\u003e Creates a sharper, more exotic tone while enhancing flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1155\" data-start=\"1061\"\u003e\n\u003cp data-end=\"1155\" data-start=\"1063\"\u003e\u003cstrong data-end=\"1088\" data-start=\"1063\"\u003eVacuum Valve Control:\u003c\/strong\u003e Allows on-demand sound control from the included key fob remote.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1255\" data-start=\"1156\"\u003e\n\u003cp data-end=\"1255\" data-start=\"1158\"\u003e\u003cstrong data-end=\"1187\" data-start=\"1158\"\u003eFull Mandrel-Bent Design:\u003c\/strong\u003e Optimized flow for improved throttle response and power delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1260\" data-start=\"1257\"\u003e\n\u003ch2 data-end=\"1286\" data-start=\"1262\"\u003e\u003cstrong data-end=\"1284\" data-start=\"1265\"\u003eSound \u0026amp; Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1611\" data-start=\"1287\"\u003e\n\u003cli data-end=\"1381\" data-start=\"1287\"\u003e\n\u003cp data-end=\"1381\" data-start=\"1289\"\u003e\u003cstrong data-end=\"1307\" data-start=\"1289\"\u003eValves Closed:\u003c\/strong\u003e Quiet enough for early morning starts and comfortable highway cruising.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1504\" data-start=\"1382\"\u003e\n\u003cp data-end=\"1504\" data-start=\"1384\"\u003e\u003cstrong data-end=\"1400\" data-start=\"1384\"\u003eValves Open:\u003c\/strong\u003e Releases the full character of the supercharged V6 with both low-end depth and high-pitch excitement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1611\" data-start=\"1505\"\u003e\n\u003cp data-end=\"1611\" data-start=\"1507\"\u003e\u003cstrong data-end=\"1526\" data-start=\"1507\"\u003eRemote Control:\u003c\/strong\u003e Operate valves instantly from the driver’s seat using the included key fob system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1616\" data-start=\"1613\"\u003e\n\u003ch2 data-end=\"1649\" data-start=\"1618\"\u003e\u003cstrong data-end=\"1647\" data-start=\"1621\"\u003eConstruction \u0026amp; Options\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1947\" data-start=\"1650\"\u003e\n\u003cli data-end=\"1739\" data-start=\"1650\"\u003e\n\u003cp data-end=\"1739\" data-start=\"1652\"\u003e\u003cstrong data-end=\"1665\" data-start=\"1652\"\u003eMaterial:\u003c\/strong\u003e T304 stainless steel for long-term durability and corrosion resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1805\" data-start=\"1740\"\u003e\n\u003cp data-end=\"1805\" data-start=\"1742\"\u003e\u003cstrong data-end=\"1761\" data-start=\"1742\"\u003eWeight Savings:\u003c\/strong\u003e 12.3 lb lighter than the factory exhaust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1897\" data-start=\"1806\"\u003e\n\u003cp data-end=\"1897\" data-start=\"1808\"\u003e\u003cstrong data-end=\"1826\" data-start=\"1808\"\u003eCraftsmanship:\u003c\/strong\u003e Precision TIG welds and mandrel bends for maximum flow and strength.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1947\" data-start=\"1898\"\u003e\n\u003cp data-end=\"1947\" data-start=\"1900\"\u003e\u003cstrong data-end=\"1913\" data-start=\"1900\"\u003eDiameter:\u003c\/strong\u003e 2.5\" tubing from front to tips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1952\" data-start=\"1949\"\u003e\n\u003ch2 data-end=\"1970\" data-start=\"1954\"\u003e\u003cstrong data-end=\"1968\" data-start=\"1957\"\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2042\" data-start=\"1971\"\u003e\n\u003cli data-end=\"2006\" data-start=\"1971\"\u003e\n\u003cp data-end=\"2006\" data-start=\"1973\"\u003e\u003cstrong data-end=\"2004\" data-start=\"1973\"\u003e2010–2016 Audi S4 (B8\/B8.5)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2042\" data-start=\"2007\"\u003e\n\u003cp data-end=\"2042\" data-start=\"2009\"\u003e\u003cstrong data-end=\"2040\" data-start=\"2009\"\u003e2010–2016 Audi S5 (B8\/B8.5)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2047\" data-start=\"2044\"\u003e\n\u003ch2 data-end=\"2076\" data-start=\"2049\"\u003e\u003cstrong data-end=\"2074\" data-start=\"2052\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2189\" data-start=\"2077\"\u003e\n\u003cli data-end=\"2140\" data-start=\"2077\"\u003e\n\u003cp data-end=\"2140\" data-start=\"2079\"\u003eDirect OEM replacement—no permanent modifications required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2189\" data-start=\"2141\"\u003e\n\u003cp data-end=\"2189\" data-start=\"2143\"\u003e100% reversible—return to stock at any time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2194\" data-start=\"2191\"\u003e\n\u003ch2 data-end=\"2220\" data-start=\"2196\"\u003e\u003cstrong data-end=\"2218\" data-start=\"2199\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2393\" data-start=\"2221\"\u003e\n\u003cli data-end=\"2267\" data-start=\"2221\"\u003e\n\u003cp data-end=\"2267\" data-start=\"2223\"\u003eT304 stainless steel valved exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2300\" data-start=\"2268\"\u003e\n\u003cp data-end=\"2300\" data-start=\"2270\"\u003eIntegrated high-pitch X-pipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2355\" data-start=\"2301\"\u003e\n\u003cp data-end=\"2355\" data-start=\"2303\"\u003eVacuum-actuated valves with key fob control system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2393\" data-start=\"2356\"\u003e\n\u003cp data-end=\"2393\" data-start=\"2358\"\u003eAll necessary clamps and hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2398\" data-start=\"2395\"\u003e\n\u003ch2 data-end=\"2423\" data-start=\"2400\"\u003e\u003cstrong data-end=\"2421\" data-start=\"2403\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2611\" data-start=\"2424\"\u003e\n\u003cli data-end=\"2472\" data-start=\"2424\"\u003e\n\u003cp data-end=\"2472\" data-start=\"2426\"\u003e\u003cstrong data-end=\"2446\" data-start=\"2426\"\u003eTubing Diameter:\u003c\/strong\u003e 2.5\" from front to tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2511\" data-start=\"2473\"\u003e\n\u003cp data-end=\"2511\" data-start=\"2475\"\u003e\u003cstrong data-end=\"2488\" data-start=\"2475\"\u003eMaterial:\u003c\/strong\u003e T304 stainless steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2562\" data-start=\"2512\"\u003e\n\u003cp data-end=\"2562\" data-start=\"2514\"\u003e\u003cstrong data-end=\"2525\" data-start=\"2514\"\u003eValves:\u003c\/strong\u003e Vacuum-actuated, remote controlled\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2611\" data-start=\"2563\"\u003e\n\u003cp data-end=\"2611\" data-start=\"2565\"\u003e\u003cstrong data-end=\"2584\" data-start=\"2565\"\u003eWeight Savings:\u003c\/strong\u003e 12.3 lb lighter than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2645\" data-start=\"2618\"\u003e🎧 \u003cstrong data-end=\"2643\" data-start=\"2621\"\u003eHear It in Action:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2767\" data-start=\"2646\"\u003e\n\u003cli data-end=\"2706\" data-start=\"2646\"\u003e\n\u003cp data-end=\"2706\" data-start=\"2648\"\u003e\u003ca href=\"https:\/\/www.instagram.com\/p\/CKR7RG9p5DK\/\" class=\"\" rel=\"noopener\" data-end=\"2704\" data-start=\"2648\"\u003eSound Clip 1\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2767\" data-start=\"2707\"\u003e\n\u003cp data-end=\"2767\" data-start=\"2709\"\u003e\u003ca href=\"https:\/\/www.instagram.com\/p\/CKFXyDsJNPj\/\" class=\"\" rel=\"noopener\" data-end=\"2765\" data-start=\"2709\"\u003eSound Clip 2\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE EMAIL US AT:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003eCUSTOMERSERVICE@VALVETRONIC.COM \u003c\/strong\u003e\u003cstrong\u003eWITH ANY QUESTIONS\u003c\/strong\u003e\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Brushed \/ (4) Brushed Steel (3.5\" Outlet)","offer_id":47868318482606,"sku":"AUD.B8.S4.VSES.BR.BRSH","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ (4) Burnt (3.5\" Outlet)","offer_id":47868318515374,"sku":"AUD.B8.S4.VSES.BR.BRT","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ (4) Black (3.5\" Outlet)","offer_id":47868318548142,"sku":"AUD.B8.S4.VSES.BR.BLK","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ (4) Carbon Fiber 1x1 (3.5\" Outlet)","offer_id":47868318580910,"sku":"AUD.B8.S4.VSES.BR.RC","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ (4) Forged Carbon fiber (3.5\" Outlet)","offer_id":47868318613678,"sku":"AUD.B8.S4.VSES.BR.FC","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Anodized Gold \/ (4) Brushed Steel (3.5\" Outlet)","offer_id":47868318646446,"sku":"AUD.B8.S4.VSES.AG.BRSH","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Anodized Gold \/ (4) Burnt (3.5\" Outlet)","offer_id":47868318679214,"sku":"AUD.B8.S4.VSES.AG.BRT","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Anodized Gold \/ (4) Black (3.5\" Outlet)","offer_id":47868318711982,"sku":"AUD.B8.S4.VSES.AG.BLK","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Anodized Gold \/ (4) Carbon Fiber 1x1 (3.5\" Outlet)","offer_id":47868318744750,"sku":"AUD.B8.S4.VSES.AG.RC","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Anodized Gold \/ (4) Forged Carbon fiber (3.5\" Outlet)","offer_id":47868318777518,"sku":"AUD.B8.S4.VSES.AG.FC","price":2499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/2702\/6291\/files\/imagecc7e817ab44d4fabbd8cd2e508037a6a.png?v=1779059131","url":"https:\/\/kowperformance.com\/products\/audi-b8-b8-5-s4-s5-valved-sport-exhaust-system","provider":"KOW Performance","version":"1.0","type":"link"}