{"product_id":"titanium-valved-catback-exhaust-system-for-audi-b9-s4-s5","title":"Titanium Valved Catback Exhaust System for Audi B9 S4 S5","description":"\u003cp data-start=\"305\" data-end=\"704\"\u003eTake your \u003cstrong data-start=\"315\" data-end=\"335\"\u003eAudi B9 S4 or S5\u003c\/strong\u003e to the next level with the \u003cstrong data-start=\"363\" data-end=\"417\"\u003eSTRATEC Ultra-Light Titanium Valved Exhaust System\u003c\/strong\u003e, engineered for maximum weight reduction, performance, and sound control. Built for enthusiasts who demand the lightest possible setup without compromising durability, this system delivers a sharp, aggressive exhaust note when valves are open and refined, OEM-like behavior when closed.\u003c\/p\u003e\n\u003cp data-start=\"706\" data-end=\"954\"\u003eDesigned as a \u003cstrong data-start=\"720\" data-end=\"749\"\u003ecomplete one-piece system\u003c\/strong\u003e from the downpipe connection to the exhaust tips, this exhaust eliminates the need to mix components from different suppliers, ensuring consistent sound quality, perfect fitment, and seamless performance.\u003c\/p\u003e\n\u003cp data-start=\"956\" data-end=\"1180\"\u003eWith valves open, expect a crisp, motorsport-inspired tone with pronounced overrun crackles. With valves closed, the system remains quiet and comfortable for daily driving—without drone when paired with the factory downpipe.\u003c\/p\u003e\n\u003chr data-start=\"1182\" data-end=\"1185\"\u003e\n\u003ch3 data-start=\"1187\" data-end=\"1203\"\u003eWhy It Works\u003c\/h3\u003e\n\u003cul data-start=\"1204\" data-end=\"1530\"\u003e\n\u003cli data-start=\"1204\" data-end=\"1294\"\u003e\n\u003cp data-start=\"1206\" data-end=\"1294\"\u003e\u003cstrong data-start=\"1206\" data-end=\"1244\"\u003eUltra-Light Titanium Construction:\u003c\/strong\u003e Significant weight savings over stainless steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1295\" data-end=\"1382\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1382\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1326\"\u003eElectronic Valve Control:\u003c\/strong\u003e Instantly switch between aggressive and refined sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1383\" data-end=\"1455\"\u003e\n\u003cp data-start=\"1385\" data-end=\"1455\"\u003e\u003cstrong data-start=\"1385\" data-end=\"1413\"\u003eOne-Piece System Design:\u003c\/strong\u003e No need to mix axle-backs or resonators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1456\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1458\" data-end=\"1530\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1491\"\u003eMandrel-Bent Titanium Tubing:\u003c\/strong\u003e Maximizes flow and throttle response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1532\" data-end=\"1535\"\u003e\n\u003ch3 data-start=\"1537\" data-end=\"1556\"\u003eSound \u0026amp; Control\u003c\/h3\u003e\n\u003cul data-start=\"1557\" data-end=\"1737\"\u003e\n\u003cli data-start=\"1557\" data-end=\"1627\"\u003e\n\u003cp data-start=\"1559\" data-end=\"1627\"\u003e\u003cstrong data-start=\"1559\" data-end=\"1575\"\u003eValves Open:\u003c\/strong\u003e Loud, sharp, and performance-focused exhaust tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1628\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1630\" data-end=\"1685\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1648\"\u003eValves Closed:\u003c\/strong\u003e Quiet, refined, and daily-drivable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1686\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1737\"\u003e\u003cstrong data-start=\"1688\" data-end=\"1701\"\u003eNo Drone:\u003c\/strong\u003e When paired with the OEM downpipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1739\" data-end=\"1742\"\u003e\n\u003ch3 data-start=\"1744\" data-end=\"1770\"\u003eConstruction \u0026amp; Details\u003c\/h3\u003e\n\u003cul data-start=\"1771\" data-end=\"2076\"\u003e\n\u003cli data-start=\"1771\" data-end=\"1848\"\u003e\n\u003cp data-start=\"1773\" data-end=\"1848\"\u003e\u003cstrong data-start=\"1773\" data-end=\"1786\"\u003eMaterial:\u003c\/strong\u003e Full \u003cstrong data-start=\"1792\" data-end=\"1817\"\u003etitanium construction\u003c\/strong\u003e for extreme weight reduction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1849\" data-end=\"1929\"\u003e\n\u003cp data-start=\"1851\" data-end=\"1929\"\u003e\u003cstrong data-start=\"1851\" data-end=\"1870\"\u003eWeight Savings:\u003c\/strong\u003e Significantly lighter than factory and stainless systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1930\" data-end=\"1999\"\u003e\n\u003cp data-start=\"1932\" data-end=\"1999\"\u003e\u003cstrong data-start=\"1932\" data-end=\"1950\"\u003eCraftsmanship:\u003c\/strong\u003e Precision TIG welding and smooth mandrel bends\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2000\" data-end=\"2076\"\u003e\n\u003cp data-start=\"2002\" data-end=\"2076\"\u003e\u003cstrong data-start=\"2002\" data-end=\"2019\"\u003eExhaust Tips:\u003c\/strong\u003e Includes premium titanium tips for a motorsport finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2078\" data-end=\"2081\"\u003e\n\u003ch3 data-start=\"2083\" data-end=\"2102\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul data-start=\"2103\" data-end=\"2164\"\u003e\n\u003cli data-start=\"2103\" data-end=\"2133\"\u003e\n\u003cp data-start=\"2105\" data-end=\"2133\"\u003e\u003cstrong data-start=\"2105\" data-end=\"2131\"\u003e2017–2024 Audi S4 (B9)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2134\" data-end=\"2164\"\u003e\n\u003cp data-start=\"2136\" data-end=\"2164\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2162\"\u003e2018–2024 Audi S5 (B9)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bull Boost Performance","offers":[{"title":"Default Title","offer_id":53364551713075,"sku":"721814382426","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2720\/8266\/files\/B9.jpg?v=1779122236","url":"https:\/\/ntxglow.com\/products\/titanium-valved-catback-exhaust-system-for-audi-b9-s4-s5","provider":"NTXGlow","version":"1.0","type":"link"}