{"product_id":"milltek-large-bore-downpipe-hjs-hi-flow-sports-catalyst-no-cel-for-vw-golf-mk8-r-audi-s3-8y-ssxvw673","title":"Milltek Large Bore Downpipe HJS Hi-Flow Sports Catalyst NO CEL for VW Golf MK8 R \/ Audi S3 8Y","description":"\u003cp\u003eThe Milltek Large Bore Downpipe with integrated Hi-Flow Sports Cat is a direct-fit turbo-back component for the VW Golf MK8 R and Audi S3 8Y. This T304L stainless steel system pairs seamlessly with OEM or Milltek cat-back exhausts, eliminating the factory restriction and unlocking dyno-proven performance gains.\u003c\/p\u003e\n\u003cp\u003eEngineered with a 3-inch (76.2 mm) mandrel-bent main pipe and 200 CPSI high-flow catalytic converter, the downpipe optimizes exhaust scavenging to reduce backpressure. CNC-formed construction ensures precise fitment using OEM hangers and mounting points—no modification required. T304L stainless steel construction resists thermal stress and corrosion, finished to Milltek's hand-specification standard.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVW Golf MK8 R (EA888 Gen4)\u003c\/li\u003e\n\u003cli\u003eAudi S3 8Y (EA888 Gen4)\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM cat-back or Milltek Signature Series systems\u003c\/li\u003e\n\u003cli\u003eUses factory hangers and heat shield provisions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e This downpipe delivers measurable efficiency without compromise to durability or daily-driver compliance. \u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2022-2025 Audi S3 Premium\u003c\/li\u003e\n\u003cli\u003e2022-2025 Audi S3 Premium Plus\u003c\/li\u003e\n\u003cli\u003e2022-2025 Audi S3 Prestige\u003c\/li\u003e\n\u003cli\u003e2022-2026 Volkswagen Golf R Base\u003c\/li\u003e\n\u003cli\u003e2023 Volkswagen Golf R 20th Anniversary Edition\u003c\/li\u003e\n\u003cli\u003e2025 Volkswagen Golf R Black Edition\u003c\/li\u003e\n\u003cli\u003e2026 Audi S3 Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60151578231070,"sku":"MILSSXVW673","price":1837.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXVW673_1.jpg?v=1791264149","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-large-bore-downpipe-hjs-hi-flow-sports-catalyst-no-cel-for-vw-golf-mk8-r-audi-s3-8y-ssxvw673","provider":"Signature Autohaus","version":"1.0","type":"link"}