Fits 2017–2024 RS5 (B9)

RS5 (B9) ENGINE & PERFORMANCE

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UK fittingR44 HQ, Wembley
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RS5 (B9) Engine Performance4 products

4 products
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K&N Air Filter For Audi B9 RS4 & S4 E-0646
K&N EngineeringK&N Replacement Air Filter For Audi RS4, S4, RS5 & S5 (B9)
£83.99GBP
Funk Motorsport External Wastegate Blanket Funk Motorsport External Wastegate Blanket
Funk MotorsportFunk Motorsport External Wastegate Blanket
From £72.50GBP
Funk Motorsport Titanium Exhaust Wrap Funk Motorsport Titanium Exhaust Wrap
Funk MotorsportFunk Motorsport Titanium Exhaust Wrap
From £36.00GBP
Funk Motorsport Black Silicon High Heat Sleeve
Funk MotorsportFunk Motorsport Black Silicon High Heat Sleeve
From £21.00GBP

RS5 (B9) Engine Performance at a glance

Vehicle
2017–2024 Audi RS5 (B9)
Powertrain
2.9 TFSI twin-turbo V6 (EA839)
Main parts
heat management and intakes & air filters
Brands
Funk Motorsport, K&N Engineering
Fitting & delivery
Fitting at R44 HQ, Wembley · UK & worldwide delivery
Parts listed
4 parts for the RS5 (B9)

Audi RS5 (B9) engine tuning & performance parts

R44 Performance stocks 4 engine performance parts for the 2017–2024 Audi RS5 (B9). Parts include heat management and intakes & air filters, from brands including Funk Motorsport, K&N Engineering.

Most builds follow the same order: an ECU tune first, then intake and cooling upgrades such as intakes, charge pipes and intercoolers to keep temperatures in check, then fuelling, turbo and internal upgrades for bigger power targets. Each step supports the next, so it pays to plan your build as a whole.

Results depend on the combination of parts and the tune that supports them, so speak to our team before you buy. We can recommend a proven setup for your RS5 (B9), fit it at R44 HQ in Wembley, and deliver across the UK and worldwide.

Written by the R44 Performance team, Wembley, London

RS5 (B9) Engine Performance FAQs

What engine performance parts are available for the RS5 (B9)?

R44 Performance lists 4 engine performance parts for the Audi RS5 (B9), including heat management and intakes & air filters. Brands include Funk Motorsport, K&N Engineering, and every part is listed for the RS5 (B9) – check each product page for body style and model-year fitment.

What are the best first engine upgrades for the RS5 (B9)?

For most turbocharged cars, the best first upgrades are an ECU tune and an intake, followed by cooling upgrades such as a charge pipe and intercooler. Each supports the next, so decide on your goals first – our team can suggest a setup based on how you use your car.

Do I need a tune after fitting performance parts?

Bolt-on parts like intakes can usually be fitted on their own, but bigger changes – such as downpipes, larger intercoolers, fuel system or turbo upgrades – normally need a matching ECU tune to run safely and make full use of the hardware. Check each product page or ask our team.

Will performance upgrades affect my warranty or insurance?

Modifications can affect manufacturer warranty cover and must be declared to your insurer. If your RS5 (B9) is still under warranty, check with the manufacturer or dealer first, and speak to your insurer before fitting.

Can R44 Performance fit engine performance parts to my RS5 (B9)?

Yes. Our technicians fit engine performance parts at R44 HQ in Wembley, London – contact our team for a quote and availability. We also deliver across the UK and worldwide if you'd rather use your own fitter.