{"product_id":"audi-b9-9-5-rs4-rs5-catted-downpipe-with-heatshield","title":"Audi B9\/9.5, RS4\/RS5 Catted Downpipe With Heatshield","description":"\u003ch2\u003eAudi B9\/B9.5 RS4\/RS5 Catted Downpipe With Heatshield\u003c\/h2\u003e\n\u003cp\u003eFree up the 2.9T twin-turbo V6 in your Audi RS4 or RS5 with these High-Flow Catted Downpipes with Heatshield — engineered to improve exhaust flow and turbocharger response while retaining catalytic converters for a more refined, road-friendly result.\u003c\/p\u003e\n\u003cp\u003eHigh-flow catalysts replace the restrictive factory units, cutting backpressure without going fully catless. That keeps the exhaust note sharper but more civilised, reduces exhaust odour, and makes this the sensible choice for a daily-driven car.\u003c\/p\u003e\n\u003cp\u003eFull woven heat shielding wraps both pipes, reflecting radiant heat away from surrounding components and helping to reduce heat soak in the engine bay.\u003c\/p\u003e\n\u003cp\u003eManufactured from SUS304 stainless steel with mandrel bends and precision TIG welding, supplied as a matched left and right pair with the factory sensor bungs retained. Gaskets and hardware are included.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eHigh-Flow Catted Design\u003c\/h3\u003e\n\u003cp\u003eHigh-flow catalysts cut backpressure against the factory units while retaining catalytic conversion for a more refined, road-friendly setup.\u003c\/p\u003e\n\u003ch3\u003eFull Heat Shielding\u003c\/h3\u003e\n\u003cp\u003eWoven shielding covers both pipes, reflecting radiant heat away from surrounding components and helping to limit heat soak.\u003c\/p\u003e\n\u003ch3\u003eSUS304 Stainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eHigh-grade stainless steel delivers exceptional durability and heat resistance under sustained load.\u003c\/p\u003e\n\u003ch3\u003eImproved Turbo Efficiency\u003c\/h3\u003e\n\u003cp\u003eReduced backpressure allows both turbochargers to spool faster and operate more efficiently.\u003c\/p\u003e\n\u003ch3\u003eRetained Sensor Bungs\u003c\/h3\u003e\n\u003cp\u003eFactory oxygen sensor positions are retained so the original sensors transfer directly across.\u003c\/p\u003e\n\u003ch3\u003eComplete Bolt-On Kit\u003c\/h3\u003e\n\u003cp\u003eDesigned for the 2.9T V6 platform using factory mounting locations, supplied as a matched left and right pair with gaskets and mounting hardware.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits (When Tuned)\u003c\/h2\u003e\n\u003cp\u003e• Increased horsepower and torque potential\u003cbr\u003e• Faster turbo spool and improved throttle response\u003cbr\u003e• Reduced exhaust backpressure\u003cbr\u003e• Improved thermal management in the engine bay\u003cbr\u003e• Sportier exhaust note without excessive harshness\u003cbr\u003e• Excellent balance between performance and everyday drivability\u003c\/p\u003e\n\u003cp\u003ePerformance gains may vary depending on ECU calibration, fuel quality, and supporting modifications.\u003c\/p\u003e\n\u003ch2\u003eSound Characteristics\u003c\/h2\u003e\n\u003cp\u003eCompared to the factory downpipes, a high-flow catted setup typically delivers:\u003c\/p\u003e\n\u003cp\u003e• Sportier and more refined V6 tone\u003cbr\u003e• Increased turbo spool acoustics\u003cbr\u003e• Improved exhaust volume without excessive harshness\u003cbr\u003e• Reduced exhaust odour compared with a catless setup\u003c\/p\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eAudi B9 RS4 Avant (2018–2019)\u003cbr\u003eAudi B9.5 RS4 Avant (2020+)\u003c\/p\u003e\n\u003cp\u003eAudi B9 RS5 Coupe \/ Sportback (2018–2019)\u003cbr\u003eAudi B9.5 RS5 Coupe \/ Sportback (2020+)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.9L Twin-Turbocharged V6\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eWhich OPF Option Do I Need?\u003c\/h2\u003e\n\u003cp\u003eOn this platform the particulate filter (OPF\/GPF) sits in the downpipe itself, so the two specifications are different parts. European-delivered facelift cars are filter-equipped; Australian and North American cars are not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNON OPF - AU\/US SPEC\u003c\/strong\u003e — for vehicles delivered new in Australia, New Zealand, the United States or Canada.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF EQUIPPED - EU SPEC\u003c\/strong\u003e — for vehicles delivered new in the European Union or the United Kingdom.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUNSURE - CONTACT US\u003c\/strong\u003e — select this and our team will confirm the correct specification against your VIN before dispatch.\u003c\/p\u003e\n\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003eECU tuning is recommended to maximise performance and prevent potential check engine lights.\u003c\/p\u003e\n\u003cp\u003eThis product may not comply with road-use emissions regulations in all jurisdictions. It is intended for off-road or motorsport use where permitted by local regulations.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Proven Performance Parts\u003c\/h2\u003e\n\u003cp\u003eWe specialise in high-performance parts for European vehicles — including Volkswagen GTI \u0026amp; R models, Audi S\/RS platforms, and BMW M vehicles. Every product we offer is carefully selected for its quality, fitment, and real-world performance — tested by enthusiasts, for enthusiasts.\u003c\/p\u003e\n","brand":"Proven Performance Parts","offers":[{"title":"Audi B9 RS4 \/ RS5 (2018–2019) \/ NON OPF - AU\/US SPEC","offer_id":52700429189402,"sku":null,"price":1095.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9 RS4 \/ RS5 (2018–2019) \/ OPF EQUIPPED - EU SPEC","offer_id":52700429222170,"sku":null,"price":1095.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9 RS4 \/ RS5 (2018–2019) \/ UNSURE - CONTACT US","offer_id":52700429254938,"sku":null,"price":1095.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+) \/ NON OPF - AU\/US SPEC","offer_id":52700429287706,"sku":null,"price":1095.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+) \/ OPF EQUIPPED - EU SPEC","offer_id":52700429320474,"sku":null,"price":1095.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+) \/ UNSURE - CONTACT US","offer_id":52700429353242,"sku":null,"price":1095.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/01_v3.png?v=1786782972","url":"https:\/\/provenperformanceparts.com.au\/products\/audi-b9-9-5-rs4-rs5-catted-downpipe-with-heatshield","provider":"Proven Performance Parts","version":"1.0","type":"link"}