{"product_id":"milltek-cast-large-bore-downpipe-and-hi-flow-hjs-cat-vw-mk7-mk-7-5-gti-2015-2021","title":"Milltek Cast Large Bore Downpipe and Hi-Flow HJS Cat for VW MK7\/MK7.5 GTI (2015–2021)","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 VW MK7\/MK7.5 GTI with the Milltek Cast Large Bore Downpipe and Hi-Flow HJS 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 cast construction for improved exhaust flow\u003c\/li\u003e\n\u003cli\u003eImproved turbo response\u003c\/li\u003e\n\u003cli\u003eHigh-flow 200 cell HJS 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\u003eVolkswagen MK7\/MK7.5 GTI (2015–2021)\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\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli\u003eVerify hardware and clamps during installation\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation\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\u003ch2\u003eRecommended Upgrades\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECU tune\u003c\/li\u003e\n\u003cli\u003eHigh-flow air intake – \u003ca href=\"https:\/\/www.fastuningstore.com\/collections\/mk7-gti\/engine_air-intakes\"\u003eshop\u003c\/a\u003e\n\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":46828515819689,"sku":"SSXVW396","price":1508.7,"currency_code":"USD","in_stock":true},{"title":"Milltek Exhaust","offer_id":46828515852457,"sku":"SSXVW261","price":1521.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6673\/products\/MilltekLargeBoreDownpipeandHi-FlowSportsCatVWMK7GTI-FASTuning.jpg?v=1756823143","url":"https:\/\/www.fastuningstore.com\/products\/milltek-cast-large-bore-downpipe-and-hi-flow-hjs-cat-vw-mk7-mk-7-5-gti-2015-2021","provider":"FAS Tuning ","version":"1.0","type":"link"}