{"product_id":"milltek-large-bore-downpipe-and-hi-flow-sports-cat-audi-8v-8y-rs3","title":"Milltek Large Bore Downpipe and Hi-Flow Sports Cat for Audi 8V\/8Y RS3","description":"\u003c!-- more --\u003e\n\u003cdiv style=\"max-width: 100%; line-height: 1.6; font-size: 16px;\"\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Audi 8V\/8Y RS3 with the Milltek Large Bore Downpipe and Hi-Flow Sports Cat. Designed to reduce back-pressure and improve exhaust gas flow, this system supports increased horsepower and torque when paired with proper tuning.\u003c\/p\u003e\n\u003cp\u003eConstructed from high-quality stainless steel with a high-flow catalyst, this downpipe is engineered for durability, performance, and direct-fit installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features and Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLarge bore construction for improved exhaust flow\u003c\/li\u003e\n\u003cli\u003eImproved turbo response\u003c\/li\u003e\n\u003cli\u003eHi-flow 200CPSI catalyst\u003c\/li\u003e\n\u003cli\u003eHigh-quality stainless steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision fitment\u003c\/li\u003e\n\u003cli\u003eSupports Stage 2 tune\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAudi 8Y\/8Y.2 RS3 (2022+)\u003c\/li\u003e\n\u003cli\u003eAudi 8V\/8V.5 RS3 (2017–2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation and Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFits both OE and Milltek Catback Exhaust Systems\u003c\/li\u003e\n\u003cli\u003eStage 2 ECU tune required\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for best results\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInspect gaskets and hardware during installation\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003eQ: Will this increase power?\u003cbr\u003eA: Yes. A larger-bore downpipe improves flow and supports higher power levels with proper tuning.\u003c\/p\u003e\n\u003cp\u003eQ: Do I need an ECU tune?\u003cbr\u003eA: Yes. A Stage 2 tune is required.\u003c\/p\u003e\n\u003cp\u003eQ: Will this work with stock exhaust?\u003cbr\u003eA: Yes. Fits both OE and Milltek Exhaust Systems.\u003c\/p\u003e\n\u003ch2\u003eRecommended Upgrades\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECU Tune\u003c\/li\u003e\n\u003cli\u003eMilltek Catback Exhaust System\u003c\/li\u003e\n\u003cli\u003eHigh-flow air intake\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShop With Confidence\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExpert fitment support available\u003c\/li\u003e\n\u003cli\u003eTrusted performance brands\u003c\/li\u003e\n\u003cli\u003eFast and free shipping\u003c\/li\u003e\n\u003cli\u003eWe not only price match but also beat our competitors’ prices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Milltek Sport","offers":[{"title":"Default Title","offer_id":6996641644602,"sku":"SSXAU726","price":1955.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6673\/files\/MilltekLargeBoreDownpipeandHi-FlowSportsCatAudi8VRS3-FASTuning.jpg?v=1756823162","url":"https:\/\/www.fastuningstore.com\/products\/milltek-large-bore-downpipe-and-hi-flow-sports-cat-audi-8v-8y-rs3","provider":"FAS Tuning ","version":"1.0","type":"link"}