{"title":"Audi RS4\/RS5 B9,B9.5","description":"\u003cp\u003eThe Audi RS4 and RS5 B9 share a 2.9-litre twin-turbocharged V6 and quattro all-wheel drive, and both carry serious tuning potential straight out of the box. At Proven Performance Parts, our RS4 and RS5 B9\/B9.5 collection delivers real, reliable gains through Stage 1, Stage 2 and Stage 3 upgrades, including high-flow catted and catless downpipes, valved cat-back exhaust systems, performance intakes, turbo inlets, upgraded intercoolers, suspension and carbon fibre styling. Engineered to cut backpressure, reduce heat soak and improve airflow, these components unlock faster spool, sharper throttle response and a deeper V6 tone. Covering the RS4 Avant and the RS5 Coupe and Sportback from 2018 onwards, including the B9.5 facelift, in both OPF and non-OPF specifications.\u003c\/p\u003e\n\u003cp\u003eBuild with confidence and push your B9 to its full potential.\u003c\/p\u003e","products":[{"product_id":"audi-b9-9-5-rs4-rs5-catless-downpipe-with-heatshield","title":"Audi B9\/9.5, RS4\/RS5 Catless Downpipe With Heatshield","description":"\u003ch2\u003eAudi B9\/B9.5 RS4\/RS5 Catless Downpipe With Heatshield\u003c\/h2\u003e\n\u003cp\u003eUnlock the full performance potential of your Audi RS4 or RS5 with these Catless Downpipes with Heatshield — engineered to maximise exhaust flow, improve turbocharger efficiency, and keep under-bonnet temperatures in check.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for the 2.9L twin-turbocharged V6, these downpipes replace the restrictive factory catalytic converters, significantly reducing exhaust backpressure and allowing both turbochargers to spool faster. The result is sharper throttle response, increased power potential, and a noticeably more aggressive exhaust note.\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 — worth having on a hot-vee twin-turbo V6 working hard.\u003c\/p\u003e\n\u003cp\u003eManufactured from mandrel-bent 304 stainless steel with precision TIG welding throughout, and supplied as a matched left and right pair with the factory sensor bungs retained.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eHigh-Flow Catless Design\u003c\/h3\u003e\n\u003cp\u003eRemoves the restrictive factory catalytic converters for maximum exhaust flow and performance potential.\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\u003e304 Stainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eCorrosion-resistant 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\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned for the 2.9T V6 platform using factory mounting locations, supplied as a matched left and right pair.\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• More aggressive exhaust note\u003cbr\u003e• Ideal foundation for Stage 2 and higher-performance builds\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 catless setup typically delivers:\u003c\/p\u003e\n\u003cp\u003e• Deeper and more aggressive V6 tone\u003cbr\u003e• Increased turbo spool acoustics\u003cbr\u003e• Louder cold starts\u003cbr\u003e• Enhanced pops and burbles (when tuned)\u003cbr\u003e• Greater overall exhaust volume\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\u003eThis is a catless motorsport product intended for off-road and motorsport use only.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003eECU tuning may be required to fully utilise the performance benefits and prevent check engine lights associated with catalyst removal.\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":52700428992794,"sku":null,"price":995.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9 RS4 \/ RS5 (2018–2019) \/ OPF EQUIPPED - EU SPEC","offer_id":52700429025562,"sku":null,"price":995.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9 RS4 \/ RS5 (2018–2019) \/ UNSURE - CONTACT US","offer_id":52700429058330,"sku":null,"price":995.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+) \/ NON OPF - AU\/US SPEC","offer_id":52700429091098,"sku":null,"price":995.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+) \/ OPF EQUIPPED - EU SPEC","offer_id":52700429123866,"sku":null,"price":995.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+) \/ UNSURE - CONTACT US","offer_id":52700429156634,"sku":null,"price":995.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/01_v2_4ddfe309-ab86-4f67-afad-b0dd9bfcfefb.png?v=1786782965"},{"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"},{"product_id":"audi-b9-9-5-rs4-rs5-carbon-fibre-air-intake","title":"Audi B9\/9.5, RS4\/RS5 Carbon Fibre Air Intake","description":"\u003ch2\u003eAudi B9\/B9.5 RS4\/RS5 Carbon Fibre Air Intake\u003c\/h2\u003e\n\u003cp\u003eTransform the induction of your Audi RS4 or RS5 with this Carbon Fibre Air Intake System — engineered to increase airflow, sharpen throttle response, and deliver an unmistakable induction note under load.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for the B9 platform twin-turbocharged V6, this system replaces the restrictive factory airbox with a fully enclosed carbon fibre housing and a high-flow conical filter. The sealed box draws cooler air from the factory intake duct rather than hot engine bay air, while the enlarged intake tube smooths the path to the turbochargers.\u003c\/p\u003e\n\u003cp\u003eManufactured from genuine woven carbon fibre with a deep gloss finish, the housing is both lighter and far better looking than the plastic item it replaces — a genuine performance upgrade that also transforms the engine bay.\u003c\/p\u003e\n\u003cp\u003eSupplied as a complete kit with the carbon airbox, air scoop, intake tube, high-flow filter and all required clamps.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eGenuine Carbon Fibre Construction\u003c\/h3\u003e\n\u003cp\u003eWoven carbon fibre with a deep gloss finish, lighter than the factory plastic airbox and a dramatic visual upgrade in its own right.\u003c\/p\u003e\n\u003ch3\u003eFully Enclosed Airbox\u003c\/h3\u003e\n\u003cp\u003eSeals the filter away from engine bay heat and feeds it from the factory cold air duct, keeping intake temperatures down.\u003c\/p\u003e\n\u003ch3\u003eHigh-Flow Conical Filter\u003c\/h3\u003e\n\u003cp\u003eA washable, reusable high-flow filter replaces the restrictive paper element for meaningfully increased airflow.\u003c\/p\u003e\n\u003ch3\u003eEnlarged Intake Tube\u003c\/h3\u003e\n\u003cp\u003eA larger, smoother path to the turbochargers reduces restriction and improves throttle response.\u003c\/p\u003e\n\u003ch3\u003eEnhanced Induction Sound\u003c\/h3\u003e\n\u003cp\u003eDelivers a noticeably more purposeful induction note under throttle without adding drone.\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eUses factory mounting locations for a straightforward installation with no cutting or permanent modification.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003e• Increased airflow to the turbochargers\u003cbr\u003e• Reduced intake air temperatures\u003cbr\u003e• Sharper throttle response\u003cbr\u003e• Improved turbo spool and induction sound\u003cbr\u003e• Weight saving over the factory airbox\u003cbr\u003e• Excellent supporting modification for tuned vehicles\u003c\/p\u003e\n\u003cp\u003ePerformance gains may vary depending on ECU calibration and supporting modifications.\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\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is recommended.\u003c\/p\u003e\n\u003cp\u003eThe high-flow filter is washable and reusable — periodic cleaning and re-oiling will maintain airflow and filtration.\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)","offer_id":52700775121178,"sku":null,"price":1550.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+)","offer_id":52700775481626,"sku":null,"price":1550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/01_e8f3eb27-f4f1-4cf3-98fb-12a2b1d631b9.png?v=1786946591"},{"product_id":"audi-b9-9-5-rs4-rs5-performance-air-intake","title":"Audi B9\/9.5, RS4\/RS5 Performance Air Intake","description":"\u003ch2\u003eAudi B9\/B9.5 RS4\/RS5 Performance Air Intake\u003c\/h2\u003e\n\u003cp\u003eFree up the induction side of your Audi RS4 or RS5 with this Performance Air Intake — a high-flow cone filter and heat shield kit engineered to increase airflow, sharpen throttle response, and add a genuine induction note under load.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for the B9 platform twin-turbocharged V6, the kit replaces the restrictive factory airbox and paper element with a large washable cone filter. The powder-coated heat shield keeps the filter separated from radiant engine bay heat and channels cooler air in from the factory duct, so the intake charge stays denser under sustained load.\u003c\/p\u003e\n\u003cp\u003eA reinforced silicone coupler and stainless clamps join the filter to the factory turbo inlet, and the whole kit mounts to existing locations — no cutting, no permanent modification, and fully reversible.\u003c\/p\u003e\n\u003cp\u003eThe simplest and most cost-effective airflow upgrade available for the 2.9T V6, and an ideal first supporting modification alongside a downpipe or tune.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eHigh-Flow Cone Filter\u003c\/h3\u003e\n\u003cp\u003eA large washable, reusable cone filter replaces the restrictive factory paper element for a significant increase in airflow.\u003c\/p\u003e\n\u003ch3\u003ePowder-Coated Heat Shield\u003c\/h3\u003e\n\u003cp\u003eSeparates the filter from radiant engine bay heat and directs cooler air in from the factory intake duct.\u003c\/p\u003e\n\u003ch3\u003eReinforced Silicone Coupler\u003c\/h3\u003e\n\u003cp\u003eA high-temperature silicone joint with stainless clamps gives a secure, leak-free connection to the factory turbo inlet.\u003c\/p\u003e\n\u003ch3\u003eEnhanced Induction Sound\u003c\/h3\u003e\n\u003cp\u003eDelivers a noticeably more purposeful induction and turbo note under throttle.\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eMounts using factory locations for a straightforward installation with no cutting required.\u003c\/p\u003e\n\u003ch3\u003eFully Reversible\u003c\/h3\u003e\n\u003cp\u003eThe factory airbox can be refitted at any time, making this an easy upgrade to trial or reverse before sale.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003e• Increased airflow to the turbochargers\u003cbr\u003e• Reduced intake restriction\u003cbr\u003e• Sharper throttle response\u003cbr\u003e• Improved induction and turbo sound\u003cbr\u003e• Washable, reusable filter with no ongoing element cost\u003cbr\u003e• Excellent first supporting modification for a tuned car\u003c\/p\u003e\n\u003cp\u003ePerformance gains may vary depending on ECU calibration and supporting modifications.\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\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is recommended.\u003c\/p\u003e\n\u003cp\u003eThe filter is washable and reusable — periodic cleaning and re-oiling will maintain airflow and filtration.\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)","offer_id":52700777283866,"sku":null,"price":620.0,"currency_code":"AUD","in_stock":true},{"title":"Audi B9.5 RS4 \/ RS5 (2020+)","offer_id":52700777513242,"sku":null,"price":620.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/01_08f55675-e466-4a56-bcfc-87294e6a7584.png?v=1786946608"}],"url":"https:\/\/provenperformanceparts.com.au\/collections\/audi-rs5-b9-b9-5.oembed","provider":"Proven Performance Parts","version":"1.0","type":"link"}