{"product_id":"milltek-sports-cat-downpipe-audi-s5-3-0-v6-turbo-sportback-b9-non-gpf-sport-diff-without-brace-bars-lhd-17","title":"Milltek Sports Cat Downpipe Audi S5 3.0 V6 Turbo Sportback B9 Non-GPF Sport Diff without Brace Bars LHD 17+","description":"\u003ch2\u003eMilltek Hi-Flow Sports Cat \u0026amp; Downpipe for Audi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only (2016 onwards) – Improved Flow, Sports Catalyst\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's large-bore downpipe with hi-flow sports cat for the Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; without Brace Bars) - Left Hand Drive Cars Only. It replaces the restrictive factory downpipe with a larger-bore pipe fitted with a high-flow sports catalyst in place of the standard unit, using a less dense substrate that flows significantly better than the factory cat while still treating the exhaust gases passing through it.\u003c\/p\u003e\n\u003cp\u003eIt sits between a stock downpipe and a full de-cat: a genuine flow gain suited to a Stage 1 or Stage 2 remap, without giving up the catalyst entirely the way a de-cat pipe does.\u003c\/p\u003e\n\u003cp\u003eIn the UK, a replacement catalyst on a car first registered from 1 March 2001 needs ECE R103 type-approval to be road legal, so check the EC Approved line in the specification for the version you choose.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Hi-Flow Sports Cat and Downpipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 63.5mm (2.5\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 1 to 1.5 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e63.5mm (2.5\") pipework\u003c\/li\u003e\n\u003cli\u003eHigh-flow sports catalyst flows better than the dense factory unit while still treating exhaust gases\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only (2016 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Non Sport Diff Models) - Right Hand Drive Cars Only (2016 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Sport Diff Models Only \u0026amp; Without Brace Bars) - Left Hand Drive Cars Only (2016 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Sport Diff Models Only \u0026amp; Without Brace Bars) - Right Hand Drive Cars Only (2016 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Coupe Only B9 (LCI NON GPF ONLY - Sport Diff Models Only \u0026amp; WITH Brace Bars) - Left Hand Drive Cars Only (2019 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Coupe Only B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; WITH Brace Bars) - Right Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Coupe Only B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; Without Brace Bars) - Left Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Coupe Only B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; Without Brace Bars) - Right Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Coupe\/Cabrio B9 (NON GPF ONLY - Non Sport Diff Models Only) - Left Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Coupe\/Cabrio B9 (NON GPF ONLY - Non Sport Diff Models Only) - Right Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Sportback B9 (LCI NON GPF ONLY - Sport Diff Models Only \u0026amp; WITH Brace Bars) - Left Hand Drive Cars Only (2019 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Non Sport Diff Models Only) - Left Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Non Sport Diff Models Only) - Right Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; WITH Brace Bars) - Right Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; without Brace Bars) - Left Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only \u0026amp; without Brace Bars) - Right Hand Drive Cars Only (2017 onwards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e Audi S4 3.0 GPF ONLY - Non Sport Diff models, or any model not listed above.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 1 to 1.5 hours. Before ordering, note: 200 Cell HJS High Flow Sport Cat, fits with OE and Milltek Sport Cat back Systems. This work involves removing parts close to the turbo and engine, so we recommend fitting by a specialist with a ramp and suitable software support.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-active-valve-control-audi-s4-3-0-turbo-v6-b9-saloon-avant-non-gpf-non-sport-diff-lhd-16\"\u003eMilltek Active Valve Control Audi S4 3.0 Turbo V6 B9 - Saloon \u0026amp; Avant (NON GPF - Non Sport Diff Models) - Left Hand Drive Cars 16+\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-cat-back-exhaust-audi-s4-3-0-turbo-v6-b9-saloon-avant-non-gpf-non-sport-diff-lhd-16\"\u003eMilltek Cat-back Exhaust Audi S4 3.0 Turbo V6 B9 - Saloon \u0026amp; Avant (NON GPF - Non Sport Diff Models) - Left Hand Drive Cars 16+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill it fit the Audi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Non Sport Diff Models) - Right Hand Drive Cars Only?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists this part for the Audi S4 3.0 Turbo V6 B9 - Saloon\/Sedan \u0026amp; Avant (NON GPF ONLY - Non Sport Diff Models) - Right Hand Drive Cars Only as well as the other models in the fitment list above.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek lists this as a race part without EC approval, so it is intended for off-road and competition use.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eA suitable remap is strongly recommended, as the engine management needs to account for the change in flow and sensor readings. Speak to your tuner before fitting.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with my standard exhaust?\u003c\/h3\u003e\n\u003cp\u003eIt depends on the version. Some are made for the factory (OE) system and others for the Milltek cat-back, so check the notes for the option you choose.\u003c\/p\u003e\n\u003ch3\u003eHow is a sports cat different from a de-cat?\u003c\/h3\u003e\n\u003cp\u003eA sports cat still contains a catalyst, just a less dense one that flows better than the factory unit. A de-cat removes the catalyst completely.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 1 to 1.5 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":56392744173953,"sku":"MIL-SSXAU673","price":2330.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXAU673_1_19cd7957-a88b-4335-babb-e680bd6844d7.jpg?v=1791891562","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-sports-cat-downpipe-audi-s5-3-0-v6-turbo-sportback-b9-non-gpf-sport-diff-without-brace-bars-lhd-17","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}