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.
BMW M3 / M4 (G80 / G81 / G82 / G83) | Akrapovic | Rear Diffuser (Forged Carbon - Matte)
Sale price£1,843.25 GBP
BMW M3 / M4 (G80 / G81 / G82 / G83) | Akrapovic | Rear Diffuser (Carbon Fibre - High Gloss)
Sale price£1,810.81 GBP
BMW M2 (G87) | Akrapovic | Rear Diffuser (Forged Carbon Fibre - Matte)
Sale price£1,607.57 GBP
BMW M2 (G87) | Akrapovic | Rear Diffuser (Carbon Fibre - Matte)
Sale price£1,508.10 GBP
BMW M2 (G87) | Akrapovic | Rear Diffuser (Carbon Fibre - High Gloss)
Sale price£1,700.54 GBP
Audi RS 6 / RS 7 / Performance (C8) | Akrapovic | Rear Diffuser (Carbon Fibre - Matte)
Sale price£2,417.29 GBP
Audi RS 6 / RS 7 / Performance (C8) | Akrapovic | Rear Diffuser (Carbon Fibre - High Gloss)
Sale price£2,769.73 GBP
Audi RS 3 Sportback / Sedan (8Y) | Akrapovic | Rear Diffuser (Carbon Fibre - High Gloss)
Sale price£1,431.35 GBP
ECS Tuning Rear Diffuser - 8Y RS3
Sale price£397.87 GBP
ECS Tuning Rear Diffuser Carbon Fibre - 8Y RS3
Sale price£974.03 GBP
ECS Tuning Forged Carbon Fibre Rear Diffuser - B8.5 S4 / A4 S-Line
Sale price£1,044.89 GBP
Save £7.00
BMW 3 Series G20 LCI Gloss Black Rear Diffuser (2022+)
Sale priceFrom £166.99 GBP
Regular price£173.99 GBP
Save £9.87
Cobra Sport Quad Exit BMW 3-Series (F30/F31) Rear Panel Diffuser
Sale price£169.52 GBP
Regular price£179.39 GBP
AP Design Carbon Fibre Rear Diffuser Gloss Twill Carbon - RSQ8
Sale price£2,394.00 GBP
Save £24.00
BMW 1 Series F40 Carbon Fibre Rear Diffuser M Sport (2019+)
Sale price£624.99 GBP
Regular price£648.99 GBP
Save £8.00
BMW 2 Series F22 / F23 Standard / M240i Rear Diffuser (2014 - 2020) DIVERSION
Sale priceFrom £208.99 GBP
Regular price£216.99 GBP
APR Carbon Fibre Rear Diffuser - Golf MK8 GTI
Sale price£840.00 GBP
Save £14.00
BMW M2 F87 Carbon Fibre Rear Diffuser (2015 - 2021)
Sale price£341.99 GBP
Regular price£355.99 GBP
Save £4.00
BMW M135i / M140i Rear Bumper Diffuser With Fins (2015 - 2019 Models F21)
Sale price£119.99 GBP
Regular price£123.99 GBP
AP Design Rear Carbon Fibre Diffuser - RS3 8V Sedan
Sale price£894.00 GBP
ECS Tuning Gloss Black Rear Diffuser - A4 B9 S-Line Pre-Facelift
Sale price£397.82 GBP
ECS Tuning Carbon Fibre Rear Diffuser - Golf Mk7 R
Sale price£762.65 GBP
ECS Tuning Carbon Fibre Rear Diffuser - A4/S4 B8.5
Sale price£1,011.77 GBP