{"product_id":"audi-b9-s4-s5-race-valved-exhaust","title":"Valvetronic Designs - Audi B9 S4 \/ S5 Valved Sport Exhaust System","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\u003cp\u003eFull T304 Stainless Steel System with Electronic Valve Control\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\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\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 exhaust sections, ensuring consistent fitment and sound quality.\u003c\/p\u003e\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\u003ch4\u003eWhy It Works\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece System Design:\u003c\/strong\u003e Eliminates the need for mixing components from multiple vendors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Valve Control:\u003c\/strong\u003e Switch between aggressive and refined sound instantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent Construction:\u003c\/strong\u003e Maximizes flow for improved throttle response and power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSound \u0026amp; Control\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves Open:\u003c\/strong\u003e Aggressive tone with rich midrange and sharp overrun crackles on deceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves Closed:\u003c\/strong\u003e Quiet, refined, and OEM-like for comfortable daily driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Drone:\u003c\/strong\u003e When paired with the OEM downpipe, cabin comfort is unaffected.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eConstruction \u0026amp; Options\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T304 stainless steel for long-term durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e 16.4 lb lighter than the OEM exhaust system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCraftsmanship:\u003c\/strong\u003e Precision TIG welds and mandrel bends for optimal flow and strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Includes premium exhaust tips for a finished, performance-oriented look.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2017–2024 Audi S4 (B9)\u003c\/li\u003e\n\u003cli\u003e2017–2024 Audi S5 (B9) — Coupe only; does not fit Sportback models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit for sedan models.\u003c\/li\u003e\n\u003cli\u003eCoupe models require modification to shorten the mid-section for proper fitment.\u003c\/li\u003e\n\u003cli\u003eContact \u003cstrong\u003einfo@lxpforged.com\u003c\/strong\u003e for configuration guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat’s Included\u003c\/h4\u003e\u003cul\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\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing:\u003c\/strong\u003e Full mandrel-bent T304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves:\u003c\/strong\u003e Electronic, remote-controlled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e 16.4 lb lighter than OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Brushed stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003e2015, 2018, 2019, 2020, 2021, 2022, 2023, 2024, audi, b9, exhaust, s4, s5, sports, standardcarbon2.5\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific fitment based on the supplied product data.\u003c\/li\u003e\n\u003cli\u003ePerformance-focused exhaust design with product-specific materials and configuration shown above.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eInstallation \u0026amp; Availability\u003c\/h4\u003e\u003cp\u003eProfessional installation is recommended. Installation service is available; contact LXP Forged for fitment and scheduling.\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Valved Sport Exhaust System \/ (4) Brushed Steel (3.5 Outlet)","offer_id":45993016098869,"sku":"AUD.B9.S4.VSES.BR.BRSH","price":10200.0,"currency_code":"AED","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Burnt (3.5 Outlet)","offer_id":45993016131637,"sku":"AUD.B9.S4.VSES.BR.BRT","price":10200.0,"currency_code":"AED","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Black (3.5 Outlet)","offer_id":45993016164405,"sku":"AUD.B9.S4.VSES.BR.BLK","price":10200.0,"currency_code":"AED","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Carbon Fiber 1x1 (3.5 Outlet)","offer_id":45993016197173,"sku":"AUD.B9.S4.VSES.BR.RC","price":10200.0,"currency_code":"AED","in_stock":true},{"title":"Valved Sport Exhaust System \/ (4) Forged Carbon Fiber (3.5 Outlet)","offer_id":45993016229941,"sku":"AUD.B9.S4.VSES.BR.FC","price":10200.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/4472\/0949\/files\/A7405504.jpg?v=1789189745","url":"https:\/\/lxpforged.com\/products\/audi-b9-s4-s5-race-valved-exhaust","provider":"Luxury Performance Parts","version":"1.0","type":"link"}