{"product_id":"audi-b9-s4-s5-valved-sport-exhaust-system","title":"Audi B9 S4 \/ S5 Valved Sport Exhaust System","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003eAudi B9 S4 \u0026amp; S5 Valved Exhaust System\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003eFull T304 Stainless Steel System with Electronic Valve Control\u003c\/h3\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Audi B9 S4 and S5, powered by the EA839 3.0L V6, have impressive performance potential - but the stock exhaust hides much of this engine’s true character. The Valvetronic Designs Full Valved Exhaust System unleashes its voice, delivering an aggressive, motorsport-inspired tone when desired, and stock-like refinement when needed.\u003c\/p\u003e\n\u003cp\u003eUnlike typical setups requiring multiple components from different vendors, our system is engineered as a \u003cstrong\u003ecomplete solution\u003c\/strong\u003e - from the OEM or aftermarket downpipe all the way to the exhaust tips. This single-package design eliminates the need for mixing and matching resonator sections or axle-backs from other brands, ensuring perfect fitment, seamless performance, and consistent sound quality.\u003c\/p\u003e\n\u003cp\u003eWith valves open, expect a bold exhaust note, pronounced overrun crackles, and a commanding presence. With valves closed, the car returns to quiet factory manners, with zero drone when paired with the OEM downpipe.\u003c\/p\u003e\n\u003cp\u003eFor those upgrading from the V8-powered B6 or B7 S4, our system delivers the level of engagement and emotional sound you’ve been missing - ensuring your B9 ownership experience is just as exciting.\u003c\/p\u003e \u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy It Works\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOne-Piece System Design:\u003c\/strong\u003e Eliminates the need for mixing components from multiple vendors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectronic Valve Control:\u003c\/strong\u003e Switch between aggressive and refined sound instantly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMandrel-Bent Construction:\u003c\/strong\u003e Maximizes flow for improved throttle response and power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eSound \u0026amp; Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValves Open:\u003c\/strong\u003e Aggressive tone with rich midrange and sharp overrun crackles on deceleration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValves Closed:\u003c\/strong\u003e Quiet, refined, and OEM-like for comfortable daily driving.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo Drone:\u003c\/strong\u003e When paired with the OEM downpipe, cabin comfort is unaffected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eConstruction \u0026amp; Options\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e T304 stainless steel for long-term durability and corrosion resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e 16.4 lb lighter than the OEM exhaust system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCraftsmanship:\u003c\/strong\u003e Precision TIG welds and mandrel bends for optimal flow and strength.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTips:\u003c\/strong\u003e Includes premium exhaust tips for a finished, performance-oriented look.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2017-2024 Audi S4 (B9)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2017-2024 Audi S5 (B9)\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e(Doesn't fit Sportback models)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDirect-fit for sedan models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoupe models require modification\u003c\/strong\u003e to shorten the mid-section for proper fitment. Contact  for guidance.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFull T304 stainless steel valved exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectronic exhaust valves with key fob remote system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAll necessary clamps and hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTubing:\u003c\/strong\u003e Full mandrel-bent T304 stainless steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValves:\u003c\/strong\u003e Electronic, remote-controlled\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e 16.4 lb lighter than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Brushed stainless steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"Valvetronic Designs","offers":[{"title":"Valved Sport Exhaust System \/ (4) Brushed Steel (3.5 Outlet)","offer_id":47866380255388,"sku":"AUD.B9.S4.VSES.BR.BRSH","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Burnt (3.5 Outlet)","offer_id":47866380288156,"sku":"AUD.B9.S4.VSES.BR.BRT","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Black (3.5 Outlet)","offer_id":47866380320924,"sku":"AUD.B9.S4.VSES.BR.BLK","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Carbon Fiber 1x1 (3.5 Outlet)","offer_id":47866380353692,"sku":"AUD.B9.S4.VSES.BR.RC","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Forged Carbon Fiber (3.5 Outlet)","offer_id":47866380386460,"sku":"AUD.B9.S4.VSES.BR.FC","price":2499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/A7405504_21eba70f-a995-4d70-9949-3bc9a6818d49.jpg?v=1792262212","url":"https:\/\/daroracing.com\/products\/audi-b9-s4-s5-valved-sport-exhaust-system","provider":"Daro Racing","version":"1.0","type":"link"}