{"product_id":"titanium-valved-catback-exhaust-system-for-audi-b9-s4-s5","title":"Bull Boost Titanium Valved Catback Exhaust System for Audi B9 S4 S5","description":"\u003cp\u003eTitanium Valved Catback Exhaust System by Bull Boost for Audi. Exhaust parts carry gases away from the engine, quiet the sound and clean up emissions.\u003c\/p\u003e\u003ch3\u003eQuick facts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bull Boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Exhaust part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed for:\u003c\/strong\u003e Audi\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Light Titanium Construction:\u003c\/strong\u003e Significant weight savings over stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Valve Control:\u003c\/strong\u003e Instantly switch between aggressive and refined sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece System Design:\u003c\/strong\u003e No need to mix axle-backs or resonators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent Titanium Tubing:\u003c\/strong\u003e Maximizes flow and throttle response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves Open:\u003c\/strong\u003e Loud, sharp, and performance-focused exhaust tone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves Closed:\u003c\/strong\u003e Quiet, refined, and daily-drivable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Drone:\u003c\/strong\u003e When paired with the OEM downpipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Full titanium construction for extreme weight reduction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e Significantly lighter than factory and stainless systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCraftsmanship:\u003c\/strong\u003e Precision TIG welding and smooth mandrel bends\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tips:\u003c\/strong\u003e Includes premium titanium tips for a motorsport finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eListed fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2017–2024 Audi S4 (B9)\u003c\/li\u003e\n\u003cli\u003e2018–2024 Audi S5 (B9)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Check local noise and emissions rules, and use new gaskets and hangers when you fit it.\u003c\/p\u003e","brand":"Bull Boost","offers":[{"title":"Default Title","offer_id":67743754518842,"sku":"721814382426","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/8245\/2538\/files\/B9_36f73901-d995-4811-8f26-39ad6a1da152.jpg?v=1792516328","url":"https:\/\/partotter.com\/products\/titanium-valved-catback-exhaust-system-for-audi-b9-s4-s5","provider":"PartOtter","version":"1.0","type":"link"}