{"product_id":"catback-b9-s4-sedan","title":"Catback Exhaust System S4 \/ S5 (B9) Fits Audi S4 18-25, S5 18-25 APR","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e CBK0012\u003c\/p\u003e\u003cp\u003eIntroducing the APR Catback Exhaust System for the Audi B9 S4 and S5\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete catalyst-back system including downpipes, extending from the factory catalyst back.\u003c\/li\u003e\n\u003cli\u003ePerformance gains of 10 HP and 12 FT-LBS of torque delivered to all four wheels.\u003c\/li\u003e\n\u003cli\u003ePremium T304 stainless steel construction with TIG welding for strength and durability.\u003c\/li\u003e\n\u003cli\u003eOptimized flow through dual 2.5\" downpipes, 2.75\" midpipes, and a 3.5\" midpipe.\u003c\/li\u003e\n\u003cli\u003eMandrel-bent brushed piping paired with electropolished cast splitters for a refined finish.\u003c\/li\u003e\n\u003cli\u003ePrecision brackets and slip clamps ensure accurate alignment and hassle-free installation.\u003c\/li\u003e\n\u003cli\u003eIncludes an upgraded tunnel brace to accommodate the larger piping.\u003c\/li\u003e\n\u003cli\u003eIntegrated Helmholtz resonator minimizes drone and enhances sound quality.\u003c\/li\u003e\n\u003cli\u003eValve-controlled rear mufflers dynamically adjust sound based on driving style.\u003c\/li\u003e\n\u003cli\u003eRemovable quad 3.5\" motorsport-style polished tips with APR logo; optional styles available.\u003c\/li\u003e\n\u003cli\u003eSmooth transitions and straight-through components maximize performance by reducing restrictions.\u003c\/li\u003e\n\u003cli\u003eStrikes the perfect balance of power, sound, style, and quality for enthusiasts.\u003c\/li\u003e\n\u003cli\u003eFully emissions compliant for worry-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFits Audi S4 18-25, S5 18-25\u003c\/p\u003e","brand":"APR Tuning","offers":[{"title":"Default Title","offer_id":51835889058104,"sku":"A0CU CBK0012","price":2049.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-7748939-7021704-square.webp?v=1774561860","url":"https:\/\/store.motormia.co\/products\/catback-b9-s4-sedan","provider":"MOTORMIA","version":"1.0","type":"link"}