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.
Rear Diffusers
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BMW M135i & M140i F20 F21 LCI EVO-1 Gloss Black Rear Diffuser by ZAERO (2015-2019) -
VW Golf GTI Mk7.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2017-2020) VW Golf GTI Mk7.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2017-2020)
In StockVW Golf GTI Mk7.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2017-2020)
£239Sale price £239 Regular price -
BMW 1 Series & M135i F20 F21 Pre-LCI EVO-1 Gloss Black Rear Diffuser by ZAERO (2011-2015) BMW 1 Series & M135i F20 F21 Pre-LCI EVO-1 Gloss Black Rear Diffuser by ZAERO (2011-2015)
In StockBMW 1 Series & M135i F20 F21 Pre-LCI EVO-1 Gloss Black Rear Diffuser by ZAERO (2011-2015)
£199Sale price £199 Regular price -
BMW 2 Series M235i & M240i F22 F23 EVO-1 Gloss Black Rear Diffuser by ZAERO (2014-2019) BMW 2 Series M235i & M240i F22 F23 EVO-1 Gloss Black Rear Diffuser by ZAERO (2014-2019)
In StockBMW 2 Series M235i & M240i F22 F23 EVO-1 Gloss Black Rear Diffuser by ZAERO (2014-2019)
£199Sale price £199 Regular price -
BMW M2 & M2 Competition F87 Carbon Fibre Performance Rear Diffuser by FORM (2015-2021) BMW M2 & M2 Competition F87 Carbon Fibre Performance Rear Diffuser by FORM (2015-2021)
In StockBMW M2 & M2 Competition F87 Carbon Fibre Performance Rear Diffuser by FORM (2015-2021)
£349Sale price £349 Regular price -
VW Golf GTI Mk7 EVO-1 Gloss Black Rear Diffuser by ZAERO (2013-2017) VW Golf GTI Mk7 EVO-1 Gloss Black Rear Diffuser by ZAERO (2013-2017)
In StockVW Golf GTI Mk7 EVO-1 Gloss Black Rear Diffuser by ZAERO (2013-2017)
£239Sale price £239 Regular price -
BMW 1 Series M Sport F20 F21 LCI Single Exit (118i 120i 120d 125i) EVO-1 Gloss Black Rear Diffuser by ZAERO (2015-2019) -
BMW M135i & 1 Series Dual Exit (128ti, 120d, 120i) F40 EVO-1 Gloss Black Rear Diffuser by ZAERO (2019-2024) -
BMW M135i & M140i F20 F21 LCI EVO-1 Gloss Black Diffuser Side Spat Flap Extensions by ZAERO (2015-2019) -
VW Golf GTI Mk8 & Mk8.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2020+) VW Golf GTI Mk8 & Mk8.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2020+)
In StockVW Golf GTI Mk8 & Mk8.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2020+)
£239Sale price £239 Regular price -
BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser by FORM (2023+) BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser by FORM (2023+)
In StockBMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser by FORM (2023+)
£699Sale price £699 Regular price -
BMW M3 F80 & M4 F82 F83 Carbon Fibre Rear Diffuser by FORM (2014-2019) BMW M3 F80 & M4 F82 F83 Carbon Fibre Rear Diffuser by FORM (2014-2019)
In StockBMW M3 F80 & M4 F82 F83 Carbon Fibre Rear Diffuser by FORM (2014-2019)
£279Sale price £279 Regular price -
BMW G80 G81 M3 & G82 G83 M4 Pre-Preg Carbon Fibre Rear Diffuser by FORM (2021+) BMW G80 G81 M3 & G82 G83 M4 Pre-Preg Carbon Fibre Rear Diffuser by FORM (2021+)
In StockBMW G80 G81 M3 & G82 G83 M4 Pre-Preg Carbon Fibre Rear Diffuser by FORM (2021+)
£649Sale price £649 Regular price -
VW Golf R Mk7.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2017-2020) VW Golf R Mk7.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2017-2020)
In StockVW Golf R Mk7.5 EVO-1 Gloss Black Rear Diffuser by ZAERO (2017-2020)
£199Sale price £199 Regular price -
BMW M2 G87 EVO-S Gloss Black Rear Diffuser by ZAERO (2023+) BMW M2 G87 EVO-S Gloss Black Rear Diffuser by ZAERO (2023+)
In StockBMW M2 G87 EVO-S Gloss Black Rear Diffuser by ZAERO (2023+)
£299Sale price £299 Regular price -
BMW M235i & M240i F22 F23 Carbon Fibre Rear Diffuser by FORM (2014-2020) BMW M235i & M240i F22 F23 Carbon Fibre Rear Diffuser by FORM (2014-2020)
In StockBMW M235i & M240i F22 F23 Carbon Fibre Rear Diffuser by FORM (2014-2020)
£419Sale price £419 Regular price -
BMW M240i G42 ID-01 Carbon Fibre Rear Diffuser by TREVORA (2021+) BMW M240i G42 ID-01 Carbon Fibre Rear Diffuser by TREVORA (2021+)
Pre-pregIn StockBMW M240i G42 ID-01 Carbon Fibre Rear Diffuser by TREVORA (2021+)
£629Sale price £629 Regular price -
BMW M140i & M135i F20 F21 LCI Carbon Fibre Performance Rear Diffuser by FORM (2015-2019) BMW M140i & M135i F20 F21 LCI Carbon Fibre Performance Rear Diffuser by FORM (2015-2019)
In StockBMW M140i & M135i F20 F21 LCI Carbon Fibre Performance Rear Diffuser by FORM (2015-2019)
£549Sale price £549 Regular price -
BMW M2 G87 Pre-Preg Carbon Fibre TR87 Rear Diffuser by TREVORA (2023+) BMW M2 G87 Pre-Preg Carbon Fibre TR87 Rear Diffuser by TREVORA (2023+)
Pre-pregBMW M2 G87 Pre-Preg Carbon Fibre TR87 Rear Diffuser by TREVORA (2023+)
£849Sale price £849 Regular price -
BMW M2 & M2 Competition F87 Pre-preg Carbon Fibre Performance Rear Diffuser Pro by FORM (2015-2021) BMW M2 & M2 Competition F87 Pre-preg Carbon Fibre Performance Rear Diffuser Pro by FORM (2015-2021)
In StockBMW M2 & M2 Competition F87 Pre-preg Carbon Fibre Performance Rear Diffuser Pro by FORM (2015-2021)
£599Sale price £599 Regular price
Frequently asked questions
Do you offer fitting on Rear Diffusers?
What Does a Rear Diffuser Do?
Are your rear diffusers real carbon fibre?
What’s the difference between OEM+ and performance style diffusers?
Do you offer finance on 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.
AUTOID rear diffusers pair perfectly with rear boot lids, spoilers, and exhaust tips, offering a cohesive rear-end styling solution for performance-focused builds.