Aftermarket Upgrades

Audi RS4 B9 Parts & Modifications

Browse high-quality aftermarket parts for the Audi RS4 B9. Shop exterior & interior accessories as well as suspension upgrades, exhaust systems & more.

BMW G80 M3 Exterior Styling Parts
Exterior Styling
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BMW G80 M3 Engine Tuning Parts
Engine
BMW G80 M3 Brakes
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Suspension
BMW G80 M3 Exhaust Systems
Exhaust Systems

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SHFT AUDI 'LAMBORGHINI URUS STYLE' PADDLE SHIFTERS

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MAGNFIX Magnetic License Number Plate Holder by TwistNFix MAGNFIX Magnetic License Number Plate Holder by TwistNFix
twistNfixTwistNFix MAGNFIX Magnetic License Plate Holder
£56.99GBP
R44 Performance Long Sticker R44 Performance Long Sticker
R44 MerchR44 Performance Long Sticker
£1.99GBP
R44 Performance Square Sticker-R44 Performance
R44 MerchR44 Performance Square Sticker
£1.99GBP
Motul RBF 660 Factory Line Fully Synthetic DOT 4 Racing Brake & Clutch Fluid Motul RBF 660 Factory Line Fully Synthetic DOT 4 Racing Brake & Clutch Fluid
MOTULMotul RBF 660 Factory Line 500ml Brake Fluid
£17.99GBP
R44 Performance Sunstrip In Matte Black-R44 Performance R44 Performance Sunstrip In Matte Black-R44 Performance
R44 MerchR44 Performance Sunstrip In Matte Black
£29.99GBP
Bimecc Audi Wheel Spacers Centre Bore 66.6 (S6, S5, S4, RS6, RS5, RS4, A4)-R44 Performance Bimecc Audi Wheel Spacers Centre Bore 66.6 (S6, S5, S4, RS6, RS5, RS4, A4)-R44 Performance
BimeccBimecc Audi Wheel Spacers Centre Bore 66.6 (S6, S5, S4, RS6, RS5, RS4, A4)
From £96.99GBP
R44 Performance Square Drip Logo Sticker R44 Performance Square Drip Logo Sticker
R44 MerchR44 Performance Square 'Drip' Sticker
£1.99GBP
Motul 500ml RBF 600 Factory Line Dot 4 Brake Oil Fluid Motul 500ml RBF 600 Factory Line Dot 4 Brake Oil Fluid
MOTULMotul RBF 600 FL 500ml Brake Fluid
£17.99GBP
Pagid Cera Tec Metal Free Brake Pad Lubricant (Grease) 75ml
PagidPagid Cera Tec Metal Free Brake Pad Lubricant (Grease) 75ml
£4.99GBP
SHFT Audi 'Lamborghini Urus Style' Paddle Shifters In Pre Preg Carbon Fibre (2019+)-R44 Performance SHFT Audi 'Lamborghini Urus Style' Paddle Shifters In Pre Preg Carbon Fibre (2019+)-R44 Performance
SHFTSHFT Audi 'Lamborghini Urus Style' Paddle Shifters In Pre Preg Carbon Fibre (2019+)
£169.99GBP
TwistNFix Car License Plate Holder V3 In Black TwistNFix Car License Plate Holder V3 In Black
twistNfixTwistNFix License Plate Holder V3 In Black
£52.99GBP
R44 Performance Racing Co. Bottle Opener (with secret discount QR code) R44 Performance Racing Co. Bottle Opener (with secret discount QR code)
R44 MerchR44 Performance Racing Co. Bottle Opener (with secret discount QR code)
£5.99GBP
SHFT Audi 'Lamborghini Urus Style' Paddle Shifters In Matt Black (2019+)-R44 Performance SHFT Audi 'Lamborghini Urus Style' Paddle Shifters In Matt Black (2019+)-R44 Performance
SHFTSHFT Audi 'Lamborghini Urus Style' Paddle Shifters In Matt Black (2019+)
£129.99GBP
Castrol React SRF Racing Brake Fluid 1L-R44 Performance
CastrolCastrol React SRF Racing Brake Fluid 1L
£99.99GBP
R44 Performance Bottle Opener R44 Performance Bottle Opener
R44 MerchR44 Performance Bottle Opener
£5.99GBP
Funk Motorsport Titanium Exhaust Wrap Funk Motorsport Titanium Exhaust Wrap
Funk MotorsportFunk Motorsport Titanium Exhaust Wrap
From £36.00GBP
JQ Werks Madtrace® Audi S3/RS3/RS4/RS5 Clubsport Magnetic Paddle Shifters (2017+ B9/8V) JQ Werks Madtrace® Audi S3/RS3/RS4/RS5 Clubsport Magnetic Paddle Shifters (2017+ B9/8V)
JQ WerksJQ Werks Madtrace® Audi S3/RS3/RS4/RS5 Clubsport Magnetic Paddle Shifters (2017+ B9/8V)
£389.99GBP
Funk Motorsport Black Silicon High Heat Sleeve
Funk MotorsportFunk Motorsport Black Silicon High Heat Sleeve
From £21.00GBP
Maxton Design Spoiler Extension Audi RS4 B9 Avant (2017-Up)-R44 Performance Maxton Design Spoiler Extension Audi RS4 B9 Avant (2017-Up)-R44 Performance
Maxton DesignMaxton Design Spoiler Extension Audi RS4 B9 Avant (2017-Up)
£129.00GBP
Maxton Design Audi B9 RS4 Gloss Black V2 Front Splitter Maxton Design Audi B9 RS4 Gloss Black V2 Front Splitter
Maxton DesignMaxton Design Audi RS4 V2 Front Splitter In Gloss Black (B9 Facelift)
£174.00GBP
Maxton Design Audi B9 RS4 Gloss Black V1 Front Splitter Maxton Design Audi B9 RS4 Gloss Black V1 Front Splitter
Maxton DesignMaxton Design Audi RS4 V1 Front Splitter In Gloss Black (B9 Facelift)
£174.00GBP
Maxton Rear Valance Audi RS4 B9 Avant (2017-Up)-R44 Performance Maxton Rear Valance Audi RS4 B9 Avant (2017-Up)-R44 Performance
Maxton DesignMaxton Rear Valance Audi RS4 B9 Avant (2017-Up)
£174.00GBP
Maxton Rear Side Splitters Audi RS4 B9 Avant (2017-Up)-R44 Performance Maxton Rear Side Splitters Audi RS4 B9 Avant (2017-Up)-R44 Performance
Maxton DesignMaxton Rear Side Splitters Audi RS4 B9 Avant (2017-Up)
£79.00GBP
Maxton Side Skirts Diffusers Audi RS4 B9 (2017-Up)-R44 Performance Maxton Side Skirts Diffusers Audi RS4 B9 (2017-Up)-R44 Performance
Maxton DesignMaxton Side Skirts Diffusers Audi RS4 B9 (2017-Up)
£174.00GBP
R44 Performance 'Scan. Save. Race.' Bottle Opener R44 Performance 'Scan. Save. Race.' Bottle Opener
R44 MerchR44 Performance 'Scan. Save. Race.' Bottle Opener
£5.99GBP
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MHC Composites Carbon Fibre Bottle Opener MHC Composites Carbon Fibre Bottle Opener
MHCMHC Composites Carbon Fibre Bottle Opener
£59.99GBP
Funk Motorsport External Wastegate Blanket Funk Motorsport External Wastegate Blanket
Funk MotorsportFunk Motorsport External Wastegate Blanket
From £72.50GBP
Maxton Design Front Splitter V.2 Audi RS4 B9 (2017-Up)-R44 Performance Maxton Design Front Splitter V.2 Audi RS4 B9 (2017-Up)-R44 Performance
Maxton DesignMaxton Design Front Splitter V.2 Audi RS4 B9 (2017-Up)
£174.00GBP
Maxton Front Splitter V.1 Audi RS4 B9 (2017-Up)-R44 Performance Maxton Front Splitter V.1 Audi RS4 B9 (2017-Up)-R44 Performance
Maxton DesignMaxton Front Splitter V.1 Audi RS4 B9 (2017-Up)
£174.00GBP