{"product_id":"valvetronic-designs-audi-ttrs-rs3-valved-exhaust","title":"Valvetronic Designs Audi TTRS MK3 Valved Sport Exhaust System","description":"\u003cp\u003eAudi TTRS (Mk3) Valved Cat-Back Exhaust System\u003c\/p\u003e\u003cp\u003e3\" T304 Stainless Steel with OEM-Style Electronic Valve Control\u003c\/p\u003e\u003cp\u003eOverview\u003c\/p\u003e\u003cp\u003eThe five-cylinder soundtrack is iconic—the factory cat-back just keeps it on too short a leash. The Valvetronic Designs Valved Cat-Back for the Mk3 TTRS increases system diameter to 3 inches for significantly improved flow and a sharper, more characterful note without sacrificing daily comfort.\u003c\/p\u003e\u003cp\u003eAt the heart of the design is our rear Y-section: straight-through when valves are open for maximum presence, and routed through a quad-chamber center muffler when closed for quiet, refined cruising. The dream exhaust for Audi’s modern 5-cylinder is here.\u003c\/p\u003e\u003cp\u003eWhy It Works\u003c\/p\u003e\u003cp\u003e3\" Free-Flow Architecture: Reduces back pressure and unlocks response through the rev range.\u003c\/p\u003e\u003cp\u003eDual-Path Rear Y-Section: Straight-through (open) or muffled (closed) for two distinct personalities.\u003c\/p\u003e\u003cp\u003eSystem Tuning as a Whole: Designed as a cohesive cat-back for consistent tone and perfect fit.\u003c\/p\u003e\u003cp\u003eSound \u0026amp; Control\u003c\/p\u003e\u003cp\u003eValves Open: Uninterrupted flow to the tips—crisp, aggressive 5-cylinder character.\u003c\/p\u003e\u003cp\u003eValves Closed: Gas passes through the quad-chamber center muffler—significantly reduced volume, highway-friendly.\u003c\/p\u003e\u003cp\u003eOEM Integration: Uses OEM-style electronically actuated valves; compatible with OEM Audi valve control.\u003c\/p\u003e\u003cp\u003eConstruction \u0026amp; Quality\u003c\/p\u003e\u003cp\u003eMaterial: T304 stainless steel throughout.\u003c\/p\u003e\u003cp\u003eCraftsmanship: Precision TIG welds and fully mandrel-bent tubing.\u003c\/p\u003e\u003cp\u003eWeight Savings: 14.8 lb lighter than the factory exhaust.\u003c\/p\u003e\u003cp\u003eFinish \u0026amp; Tips: Premium tips engineered to complement the TTRS rear bumper.\u003c\/p\u003e\u003cp\u003eFitment\u003c\/p\u003e\u003cp\u003e2017–2020 Audi TTRS (Mk3 \/ 8S)\u003c\/p\u003e\u003cp\u003eInstallation Notes\u003c\/p\u003e\u003cp\u003eDirect bolt-on cat-back; no permanent modifications required.\u003c\/p\u003e\u003cp\u003e100% reversible—return to stock at any time.\u003c\/p\u003e\u003cp\u003eWhat’s Included\u003c\/p\u003e\u003cp\u003e3\" T304 stainless steel valved cat-back system\u003c\/p\u003e\u003cp\u003eQuad-chamber center muffler\u003c\/p\u003e\u003cp\u003eOEM-style electronic valves\u003c\/p\u003e\u003cp\u003eAll required clamps and hardware\u003c\/p\u003e\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eTubing Diameter: 3\" from front to rear\u003c\/p\u003e\u003cp\u003eMaterial: T304 stainless steel\u003c\/p\u003e\u003cp\u003eValves: OEM-style electronic actuation (compatible with OEM control)\u003c\/p\u003e\u003cp\u003eWeight Savings: 14.8 lb vs. OEM\u003c\/p\u003e\u003cp\u003eDesign: Dual-path rear Y-section; quad-chamber muffler (valves closed)\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Brushed Finish \/ (2) Black (OEM STYLE)","offer_id":55671473045823,"sku":"AUD.MK3.VSES.BR","price":3500.49,"currency_code":"CAD","in_stock":false},{"title":"Grade 5 Titanium \/ (2) Black (OEM STYLE)","offer_id":55671473078591,"sku":"AUD.MK3.VSES.TI","price":5600.79,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/1348\/3839\/files\/valvetronic-4676877058084-1.jpg?v=1789847616","url":"https:\/\/foreignautomotive.ca\/products\/valvetronic-designs-audi-ttrs-rs3-valved-exhaust","provider":"Foreign Automotive","version":"1.0","type":"link"}