{"product_id":"audi-b9-s4-s5-valved-sport-exhaust-system","title":"Valvetronic Designs Audi B9 S4 \/ S5 Valved Sport Exhaust System","description":"\u003cp style=\"margin:1em 0\"\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\u003cp style=\"margin:1em 0\"\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\u003cp style=\"margin:1em 0\"\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\u003cp style=\"margin:1em 0\"\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\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eValves Open: Aggressive tone with rich midrange and sharp overrun crackles on deceleration.\u003c\/li\u003e\n\u003cli\u003eValves Closed: Quiet, refined, and OEM-like for comfortable daily driving.\u003c\/li\u003e\n\u003cli\u003eNo Drone: When paired with the OEM downpipe, cabin comfort is unaffected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eMaterial: T304 stainless steel for long-term durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eWeight Savings: 16.4 lb lighter than the OEM exhaust system.\u003c\/li\u003e\n\u003cli\u003eCraftsmanship: Precision TIG welds and mandrel bends for optimal flow and strength.\u003c\/li\u003e\n\u003cli\u003eTips: Includes premium exhaust tips for a finished, performance-oriented look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eOne-Piece System Design: Eliminates the need for mixing components from multiple vendors.\u003c\/li\u003e\n\u003cli\u003eElectronic Valve Control: Switch between aggressive and refined sound instantly.\u003c\/li\u003e\n\u003cli\u003eMandrel-Bent Construction: Maximizes flow for improved throttle response and power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003e2017–2024 Audi S4 (B9)\u003c\/li\u003e\n\u003cli\u003e2017–2024 Audi S5 (B9)\u003c\/li\u003e\n\u003cli\u003e(Doesn't fit Sportback models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eFull T304 stainless steel valved exhaust system\u003c\/li\u003e\n\u003cli\u003eElectronic exhaust valves with key fob remote system\u003c\/li\u003e\n\u003cli\u003eAll necessary clamps and hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003eTubing: Full mandrel-bent T304 stainless steel\u003c\/li\u003e\n\u003cli\u003eValves: Electronic, remote-controlled\u003c\/li\u003e\n\u003cli\u003eWeight Savings: 16.4 lb lighter than OEM\u003c\/li\u003e\n\u003cli\u003eFinish: Brushed stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 0.75em\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:0;padding:0\"\u003e\u003cvideo controls preload=\"metadata\" style=\"display:block;width:100%;max-width:560px;aspect-ratio:auto 16\/9;border-radius:8px;background:#000\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/b0f1c939675f4c47a2d4a672a2e82396\/b0f1c939675f4c47a2d4a672a2e82396.HD-1080p-7.2Mbps-54353337.mp4#t=0.1\"\u003e\u003c\/video\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eCONFIGURATION:\u003c\/strong\u003e Valved Sport Exhaust System\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"(4) Brushed Steel (3.5 Outlet)","offer_id":59183998304396,"sku":"AUD.B9.S4.VSES.BR.BRSH","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"(4) Burnt (3.5 Outlet)","offer_id":59183998337164,"sku":"AUD.B9.S4.VSES.BR.BRT","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"(4) Black (3.5 Outlet)","offer_id":59183998369932,"sku":"AUD.B9.S4.VSES.BR.BLK","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"(4) Carbon Fiber 1x1 (3.5 Outlet)","offer_id":59183998402700,"sku":"AUD.B9.S4.VSES.BR.RC","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"(4) Forged Carbon Fiber (3.5 Outlet)","offer_id":59183998435468,"sku":"AUD.B9.S4.VSES.BR.FC","price":2499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/3300\/0332\/files\/A7405504.jpg?v=1789534197","url":"https:\/\/vpmotorworks.com\/products\/audi-b9-s4-s5-valved-sport-exhaust-system","provider":"VP Motorworks","version":"1.0","type":"link"}