{"product_id":"milltek-large-bore-downpipe-and-hi-flow-race-cat-audi-8y-s3-vw-mk8-golf-r","title":"Milltek Large Bore Downpipe and Hi-Flow Race Cat for Audi 8Y S3 \u0026 VW MK8 Golf R (2022+)","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 8Y S3 or VW MK8 Golf R with the Milltek Large Bore Downpipe and Hi-Flow Race 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 race 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 S3 (2022+)\u003c\/li\u003e\n\u003cli\u003eVolkswagen MK8\/MK8.5 Golf R (2022+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation and Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSelect OE or Milltek exhaust fitment\u003c\/li\u003e\n\u003cli\u003eStage 2 ECU tune required\u003c\/li\u003e\n\u003cli\u003eNot emissions compliant in some regions\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: Is this street legal?\u003cbr\u003eA: Race cat systems may not be emissions compliant. Check your state regulations.\u003c\/p\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\u003ch2\u003eRecommended Upgrades\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECU tune\u003c\/li\u003e\n\u003cli\u003eHigh-flow air intake\u003c\/li\u003e\n\u003cli\u003eHigh-flow catback exhaust system\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":"OE Exhaust","offer_id":46828546195625,"sku":"SSXVW674","price":1342.85,"currency_code":"USD","in_stock":true},{"title":"Milltek Exhaust","offer_id":46828546228393,"sku":"SSXVW675","price":1342.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6673\/files\/MilltekLargeBoreDownpipeandHi-FlowSportsCatVWMK8GolfR-FASTuning.jpg?v=1756823128","url":"https:\/\/www.fastuningstore.com\/products\/milltek-large-bore-downpipe-and-hi-flow-race-cat-audi-8y-s3-vw-mk8-golf-r","provider":"FAS Tuning ","version":"1.0","type":"link"}