Upgrade your car's aerodynamics and aggressive stance with our range of rear diffusers. Designed to enhance downforce, improve airflow, and deliver a race-inspired look, our diffusers are engineered for a precise fit across a wide range of vehicles.
- Gloss and matte finish options available
- Manufactured in high-quality ABS plastic and carbon fibre
- Direct OEM-style fitment — no cutting or modification required
- Compatible with popular makes and models including VW, Audi, BMW, and more
Whether you're pushing performance on track or refining your road presence, our rear diffusers are built to deliver. Shop by vehicle model to find your perfect match.
Maxton Design Rear Diffuser V.1 for Audi RS3 8V Sportback Facelift (2017-2020)
Sale price£182.85 GBP
Maxton Design Street Pro Rear Diffuser for BMW Z4 M-Pack G29
Sale price£171.35 GBP
Maxton Design SIDE SKIRTS DIFFUSERS V2 VW GOLF MK8
Sale priceFrom £151.74 GBP
Maxton Design Rear Diffuser For Volkswagen Scirocco R MK3.5 (Facelift / 2014-2017)
Sale price£184.00 GBP
Maxton Design Rear Diffuser For Alfa Romeo Giulia Veloce (2015-2019)
Sale price£138.00 GBP
BMW M4 G82 G83 EVO-S Gloss Black Diffuser Extensions by ZAERO (2021+)
Sale price£189.00 GBP
BMW M3 G80 G81 & M4 G82 G83 EVO-S Gloss Black Rear Diffuser by ZAERO (2021+)
Sale price£299.00 GBP
BMW M2 G87 EVO-S Gloss Black Rear Diffuser by ZAERO (2023+)
Sale price£299.00 GBP
Save £13.93
BMW 1 SERIES M SPORT F40 SINGLE EXIT (116I 116D 118I 118D) EVO-1 GLOSS BLACK REAR DIFFUSER BY ZAERO (2019+)
Sale price£185.07 GBP
Regular price£199.00 GBP
BMW M135I & M140I F20 F21 LCI EVO-1 GLOSS BLACK REAR DIFFUSER BY ZAERO (2015-2019)
Sale price£199.00 GBP
ECS Rear Diffuser in Gloss Black - B8 SQ5
Sale price£382.48 GBP
Save £5.00
DAS - Rear Fin Diffuser For Mercedes A-Class W177 A35 / A45 AMG (2018+)
Sale price£124.99 GBP
Regular price£129.99 GBP
AP Design Dry Carbon Rear Diffuser - RS6/RS7 (C8)
Sale price£1,558.80 GBP
Save £6.00
DAS Automotive Rear Diffuser for Volkswagen Golf MK8 GTE & R-Line (2020+)
Sale price£142.99 GBP
Regular price£148.99 GBP
ECS Tuning Gloss Black Rear Diffuser - Mk7.5 Golf GTI
Sale price£378.93 GBP
ECS Tuning Gloss Black Rear Diffuser - S4 B9
Sale price£397.82 GBP
ECS Tuning Gloss Black Rear Diffuser - Mk7 Golf GTI
Sale price£386.02 GBP
ECS Tuning Gloss Black Rear Diffuser - S4 B8
Sale price£414.35 GBP
ECS Tuning Gloss Black Rear Diffuser - S4 B8.5
Sale price£427.34 GBP
ECS Tuning Carbon Fibre Rear Diffuser - Mk7 GTI
Sale price£754.38 GBP
Save £12.00
BMW M3 (F80) & M4 (F82 / F83) Carbon Fibre / Gloss Black Replacement Rear Diffuser With Spats (2014 TO 2018)
Sale priceFrom £304.99 GBP
Regular price£316.99 GBP
Save £20.00
Audi S3 Saloon Carbon Fibre Enhanced Diffuser (2017 - 2020)
Sale price£485.99 GBP
Regular price£505.99 GBP