Rear Diffusers

Enhance the rear-end aerodynamics and styling of your vehicle with AUTOID’s rear diffusers, engineered for a perfect blend of performance and visual impact. From subtle OEM+ designs to aggressive carbon fibre options, each diffuser is crafted to complement your car’s lines while improving airflow management.

Built with high-quality materials and precision fitment, our rear diffusers deliver durability, long-term finish quality, and seamless integration with existing bumpers and exhaust setups. Ideal for enthusiasts refining both daily drivability and track-inspired aesthetics, these diffusers provide a clean, purposeful upgrade.

Filters

Filters
Sort by:

194 products

3DDesign Carbon Fibre Rear Diffuser for BMW 2 Series (2014 - 2020, F22 F23) - AUTOID - Rear Diffusers - 3DDesign3DDesign Carbon Fibre Rear Diffuser for BMW 2 Series (2014 - 2020, F22 F23) - AUTOID - Rear Diffusers - 3DDesign
BMW M3 F80 & M4 F82 Carbon Fibre Rear Diffuser Final Edition by Adro (2014-2020)BMW M3 F80 & M4 F82 Carbon Fibre Rear Diffuser Final Edition by Adro (2014-2020)
Automotive Passion Audi RS3 8Y LCI Pre-Preg Carbon Fibre Rear Diffuser by AP (2024+)  Rear Diffusers  AUTOID®  Automotive Passion Audi RS3 8Y LCI Pre-Preg Carbon Fibre Rear Diffuser by AP (2024+)  Rear Diffusers  AUTOID®
Adro BMW M340i G20 G21 LCI Carbon Fibre Rear Diffuser by Adro (2022+)  Rear Diffusers  AUTOID®  Adro BMW M340i G20 G21 LCI Carbon Fibre Rear Diffuser by Adro (2022+)  Rear Diffusers  AUTOID®
Adro Toyota GR Yaris (Gen 1) Carbon Fibre Rear Diffuser by Adro  Rear Diffusers  AUTOID®  Adro Toyota GR Yaris (Gen 1) Carbon Fibre Rear Diffuser by Adro  Rear Diffusers  AUTOID®
Audi RS3 8Y Pre-Preg Carbon Outer Diffuser TrimAudi RS3 8Y Pre-Preg Carbon Outer Diffuser Trim
FORM Industries BMW M2 G87 Pre-Preg Carbon Fibre CS Rear Diffuser by FORM (2023+)  Rear Diffusers  AUTOID®  FORM Industries BMW M2 G87 Pre-Preg Carbon Fibre CS Rear Diffuser by FORM (2023+)  Rear Diffusers  AUTOID®
Akrapovic BMW M5 G90 G99 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic BMW M5 G90 G99 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche Macan S, GTS & Turbo 95B Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 Turbo & Turbo S 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 911 Turbo & Turbo S 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 Turbo & Turbo S 991.1 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 GT3 RS 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 GT3 & GT3 Touring 992.1 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 911 GT3 & GT3 Touring 992.1 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 GT3 & GT3 Touring 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 911 GT3 & GT3 Touring 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 GT3 991.1 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 911 Carrera, S & GTS 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 911 Carrera, S & GTS 991.2 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 718 Cayman GTS 4.0 & Boxster GTS 4.0 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 718 Cayman GTS 4.0 & Boxster GTS 4.0 Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 718 Cayman GT4 RS & Spyder RS Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 718 Cayman GT4 RS & Spyder RS Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic Porsche 718 Cayman GT4 & Spyder Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic Porsche 718 Cayman GT4 & Spyder Carbon Fibre Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic BMW M8, M8 Competition, Gran Coupé F91 F92 F93 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic BMW M8, M8 Competition, Gran Coupé F91 F92 F93 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic BMW M5 & Competition F90 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic BMW M5 & Competition F90 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic BMW M3 & M4 G80 G81 G82 G83 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic BMW M3 & M4 G80 G81 G82 G83 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic BMW M3 & M4 G80 G81 G82 G83 Black Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®
Akrapovic BMW M3 & M4 F80 F82 F83 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®  Akrapovic BMW M3 & M4 F80 F82 F83 Rear Diffuser by Akrapovic  Rear Diffusers  AUTOID®

FAQ

Our customer support is available Monday to Friday: 8am-5pm UK Time.

Enhance the rear-end aerodynamics and styling of your vehicle with AUTOID’s rear diffusers, engineered for a perfect blend of performance and visual impact. From subtle OEM+ designs to aggressive carbon fibre options, each diffuser is crafted to complement your car’s lines while improving airflow management.

Built with high-quality materials and precision fitment, our rear diffusers deliver durability, long-term finish quality, and seamless integration with existing bumpers and exhaust setups. Ideal for enthusiasts refining both daily drivability and track-inspired aesthetics, these diffusers provide a clean, purposeful upgrade.

AUTOID rear diffusers pair perfectly with rear boot lids, spoilers, and exhaust tips, offering a cohesive rear-end styling solution for performance-focused builds.