Rear Diffusers

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168 products

BMW M135i & M140i F20 F21 LCI EVO - 1 Gloss Black Rear Diffuser by ZAERO (2015 - 2019) - AUTOID - Rear Diffusers - Zaero DesignBMW M135i & M140i F20 F21 LCI EVO - 1 Gloss Black Rear Diffuser by ZAERO (2015 - 2019) - AUTOID - Rear Diffusers - Zaero Design
BMW 2 Series M235i & M240i F22 F23 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2014 - 2019) - AUTOID - Rear Diffusers - Zaero DesignBMW 2 Series M235i & M240i F22 F23 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2014 - 2019) - AUTOID - Rear Diffusers - Zaero Design
BMW 1 Series & M135i F20 Pre - LCI EVO - 1 Gloss Black Rear Diffuser by ZAERO (2011 - 2015, F20 F21) - AUTOID - Rear Diffusers - Zaero DesignBMW 1 Series & M135i F20 Pre - LCI EVO - 1 Gloss Black Rear Diffuser by ZAERO (2011 - 2015, F20 F21) - AUTOID - Rear Diffusers - Zaero Design
VW Golf GTI Mk7.5 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2017 - 2020) - AUTOID - Rear Diffusers - Zaero DesignVW Golf GTI Mk7.5 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2017 - 2020) - AUTOID - Rear Diffusers - Zaero Design
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Carbon Fibre Performance Rear Diffuser for BMW M2 & M2 Competition (2015 - 2021, F87) - AUTOID - Rear Diffusers - EssentialsCarbon Fibre Performance Rear Diffuser for BMW M2 & M2 Competition (2015 - 2021, F87) - AUTOID - Rear Diffusers - Essentials
BMW 1 Series M Sport F20 F21 LCI Single Exit (118i 120i 120d 125i) EVO - 1 Gloss Black Rear Diffuser by ZAERO (2015 - 2019) - AUTOID - Rear Diffusers - Zaero DesignBMW 1 Series M Sport F20 F21 LCI Single Exit (118i 120i 120d 125i) EVO - 1 Gloss Black Rear Diffuser by ZAERO (2015 - 2019) - AUTOID - Rear Diffusers - Zaero Design
VW Golf GTI Mk7 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2013 - 2017) - AUTOID - Rear Diffusers - Zaero DesignVW Golf GTI Mk7 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2013 - 2017) - AUTOID - Rear Diffusers - Zaero Design
BMW M135i & 1 Series Dual Exit (128ti, 120d, 120i) F40 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2019+) - AUTOID - Rear Diffusers - Zaero DesignBMW M135i & 1 Series Dual Exit (128ti, 120d, 120i) F40 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2019+) - AUTOID - Rear Diffusers - Zaero Design
BMW 1 Series, M135i & M140i F20 F21 LCI EVO - 1 Gloss Black Diffuser Side Spat Flap Extensions by ZAERO (2015 - 2019) - AUTOID - Rear Diffusers - Zaero DesignBMW 1 Series, M135i & M140i F20 F21 LCI EVO - 1 Gloss Black Diffuser Side Spat Flap Extensions by ZAERO (2015 - 2019) - AUTOID - Rear Diffusers - Zaero Design
VW Golf GTI Mk8 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2020+) - AUTOID - Rear Diffusers - Zaero DesignVW Golf GTI Mk8 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2020+) - AUTOID - Rear Diffusers - Zaero Design
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BMW M2 G87 Pre - Preg Carbon Fibre Performance Rear Diffuser by TRE (2023+) - AUTOID - Rear Diffusers - TREBMW M2 G87 Pre - Preg Carbon Fibre Performance Rear Diffuser by TRE (2023+) - AUTOID - Rear Diffusers - TRE
Carbon Fibre Performance Rear Diffuser for BMW M3 & M4 (2014 - 2019 F80 F82 F83) - AUTOID - Rear Diffusers - EssentialsCarbon Fibre Performance Rear Diffuser for BMW M3 & M4 (2014 - 2019 F80 F82 F83) - AUTOID - Rear Diffusers - Essentials
BMW G80 G81 M3 & G82 G83 M4 Pre - Preg Carbon Fibre OEM Style Rear Diffuser by TRE (2021+) - AUTOID - Rear Diffusers - TREBMW G80 G81 M3 & G82 G83 M4 Pre - Preg Carbon Fibre OEM Style Rear Diffuser by TRE (2021+) - AUTOID - Rear Diffusers - TRE
VW Golf R Mk7.5 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2017 - 2020) - AUTOID - Rear Diffusers - Zaero DesignVW Golf R Mk7.5 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2017 - 2020) - AUTOID - Rear Diffusers - Zaero Design
Carbon Fibre Performance Rear Diffuser for BMW M235i & M240i (2014 - 2020, F22 F23) - AUTOID - Rear Diffusers - EssentialsCarbon Fibre Performance Rear Diffuser for BMW M235i & M240i (2014 - 2020, F22 F23) - AUTOID - Rear Diffusers - Essentials
Carbon Fibre Performance Rear Diffuser for BMW M140i/M135i LCI (2015 - 2019) - AUTOID - Rear Diffusers - EssentialsCarbon Fibre Performance Rear Diffuser for BMW M140i/M135i LCI (2015 - 2019) - AUTOID - Rear Diffusers - Essentials
Exclusive
BMW M240i G42 ID - 01 Carbon Fibre Rear Diffuser by TRE (2021+) - AUTOID - Rear Diffusers - TREBMW M240i G42 ID - 01 Carbon Fibre Rear Diffuser by TRE (2021+) - AUTOID - Rear Diffusers - TRE
BMW M2 & M2 Competition Pre - preg Carbon Fibre Rear Diffuser by TRE (2015 - 2021) - AUTOID - Rear Diffusers - TREBMW M2 & M2 Competition Pre - preg Carbon Fibre Rear Diffuser by TRE (2015 - 2021) - AUTOID - Rear Diffusers - TRE
New Arrival
BMW M2 G87 EVO - S Gloss Black Rear Diffuser by ZAERO (2023+) - AUTOID - Rear Diffusers - Zaero DesignBMW M2 G87 EVO - S Gloss Black Rear Diffuser by ZAERO (2023+) - AUTOID - Rear Diffusers - Zaero Design
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BMW M2 G87 Pre - Preg Carbon Fibre TR87 Rear Diffuser by TRE (2023+) - AUTOID - Rear Diffusers - TREBMW M2 G87 Pre - Preg Carbon Fibre TR87 Rear Diffuser by TRE (2023+) - AUTOID - Rear Diffusers - TRE
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BMW 2 Series 220i & M240i G42 Pre - preg Carbon Fibre Rear Diffuser by TRE (2021+) - AUTOID - Rear Diffusers - TREBMW 2 Series 220i & M240i G42 Pre - preg Carbon Fibre Rear Diffuser by TRE (2021+) - AUTOID - Rear Diffusers - TRE
Discount BoostWhilst Stocks LastSave 15%
BMW 1 Series M Sport F40 Single Exit (116i 116d 118i 118d) EVO - 1 Gloss Black Rear Diffuser by ZAERO (2019+) - AUTOID - Rear Diffusers - Zaero DesignBMW 1 Series M Sport F40 Single Exit (116i 116d 118i 118d) EVO - 1 Gloss Black Rear Diffuser by ZAERO (2019+) - AUTOID - Rear Diffusers - Zaero Design
VW Golf R Mk8 & Mk8.5 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2020+) - AUTOID - Rear Diffusers - Zaero DesignVW Golf R Mk8 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2020+) - AUTOID - Rear Diffusers - Zaero Design
New Arrival
VW Golf GTI Clubsport Mk8 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2020+) - AUTOID - Rear Diffusers - Zaero DesignVW Golf GTI Clubsport Mk8 EVO - 1 Gloss Black Rear Diffuser by ZAERO (2020+) - AUTOID - Rear Diffusers - Zaero Design

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.