{"product_id":"downpipe-for-b9-s4-s5-3-0t-ea839-2019","title":"VCTR Performance Audi S4\/S5 B9 Catless Downpipe Kit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe B9 S4\/S5 EA839 3.0T factory downpipe carries an OPF filter that is the primary restriction in the post-turbo exhaust path. Removing it with this catless downpipe opens the exhaust circuit — improving turbo spool, exhaust flow and providing the foundation for meaningful power gains on tuned EA839 applications.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRemoves the primary restriction in the factory post-turbo exhaust path\u003c\/li\u003e\n\u003cli\u003eImproved turbo spool — the turbo recovers and builds pressure faster\u003c\/li\u003e\n\u003cli\u003eMore defined exhaust tone under load\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for longevity\u003c\/li\u003e\n\u003cli\u003eProvides the foundation for meaningful power gains on a tuned map\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineering Focus\u003c\/h3\u003e\u003cp\u003eFabricated from SS304 stainless steel with OPF delete section. Matched to the OEM downpipe flanges for direct replacement. No fabrication required.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi S4 B9 3.0T EA839 (pre-2019 — no OPF)\u003c\/li\u003e\n\u003cli\u003eAudi S5 B9 3.0T EA839 (pre-2019 — no OPF)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCatless unit — for off-road and motorsport use. Tuning is strongly recommended post-installation.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCatless downpipe assembly\u003c\/li\u003e\n\u003cli\u003eSupplied gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: SS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCatalyst: None (catless)\u003c\/li\u003e\n\u003cli\u003eEngine: EA839 3.0T (pre-OPF)\u003c\/li\u003e\n\u003cli\u003eFitment: OEM flange replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\u003cp\u003eYour order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.\u003c\/p\u003e","brand":"VCTR Performance","offers":[{"title":"VCTR Performance \/ VCTR Performance","offer_id":52080752918848,"sku":"100007928:-6#silver;191284006:-1#EA839","price":1079.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageMay25_2026_09_10_42PM.png?v=1779707458","url":"https:\/\/shop.vctrperformance.com\/products\/downpipe-for-b9-s4-s5-3-0t-ea839-2019","provider":"VCTR","version":"1.0","type":"link"}