Rear Diffusers

Transform the rear of your vehicle with premium rear diffusers, carbon fibre diffusers and performance-style bumper upgrades from EURO TUNED. Explore aggressive single-exit, dual-exit and quad-exit designs for selected BMW, Audi, Mercedes-AMG, Volkswagen, Porsche, Toyota, Ferrari, Lamborghini and other performance models. Designed to sharpen the rear profile and complement upgraded exhaust tips or valved systems, our high-quality aftermarket rear diffusers are shipped worldwide from Ireland.

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89 products

Audi A7/S7/RS7 Carbon Fiber Rear Diffuser (2011-2014)Audi A7/S7/RS7 Carbon Fiber Rear Diffuser (2011-2014)
Porsche Cayenne 9Y0.2 dry carbon fiber rear bumper diffuserPorsche Cayenne E3.2 carbon fiber rear diffuser installed
SOOQOO V2 BMW M4 G82 / G83 Pre-Preg Carbon Fibre Rear Diffuser (2021+)SOOQOO V2 BMW M4 G82 / G83 Pre-Preg Carbon Fibre Rear Diffuser (2021+)
SOOQOO V1 BMW M4 G82 / G83 Pre-Preg Carbon Fibre Rear Diffuser (2021+)SOOQOO V1 BMW M4 G82 / G83 Pre-Preg Carbon Fibre Rear Diffuser (2021+)
SOOQOO V1 BMW M3 G80 / G81 Pre-Preg Carbon Fibre Rear Diffuser with Brake Light (2021+)SOOQOO V1 BMW M3 G80 / G81 Pre-Preg Carbon Fibre Rear Diffuser with Brake Light (2021+)
SOOQOO V1 BMW M3 G80 / G81 Pre-Preg Carbon Fibre Rear Diffuser (2021+)SOOQOO V1 BMW M3 G80 / G81 Pre-Preg Carbon Fibre Rear Diffuser (2021+)
SOOQOO V2 BMW M5 G90 / G99 Pre-Preg Carbon Fibre Rear Diffuser (2024+)SOOQOO V2 BMW M5 G90 / G99 Pre-Preg Carbon Fibre Rear Diffuser (2024+)
SOOQOO V1 BMW M5 G90 / G99 Pre-Preg Carbon Fibre Rear Diffuser (2024+)SOOQOO V1 BMW M5 G90 / G99 Pre-Preg Carbon Fibre Rear Diffuser (2024+)
SOOQOO V3 BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser with Brake Light (2023+)SOOQOO V3 BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser with Brake Light (2023+)
SOOQOO V2 BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser (2023+)SOOQOO V2 BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser (2023+)
SOOQOO V1 BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser (2023+)SOOQOO V1 BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser (2023+)
BMW 840i G15 M Sport carbon fiber rear bumper diffuserGloss carbon fiber rear bumper diffuser for BMW 8 Series G15
BMW F32 F33 F36 carbon fiber M Performance style rear diffuserGloss carbon fiber rear bumper diffuser for BMW 4 Series M Sport
Toyota GR Supra A90 carbon fiber rear diffuser lip installedGloss carbon fiber rear diffuser lip on Toyota GR Supra A90 J29 MK5
Mercedes-Benz E-Class C238 Coupe carbon fiber rear diffuser installedGloss carbon fiber rear diffuser on Mercedes-Benz E-Class C238 Coupe E250 E300 E400 E500
Audi R8 Type 4S V10 carbon fiber rear bumper diffuserAudi R8 4S prepreg dry carbon fiber rear diffuser
BMW 4 Series G22 G23 carbon fiber rear diffuser installedGloss carbon fiber rear diffuser on BMW G22 G23 430i M440i M Sport
Porsche Panamera 971 4S Carbon Fiber Rear Diffuser (2017–2019)Porsche Panamera 971 4S Carbon Fiber Rear Diffuser (2017–2019)
Porsche 718 Boxster & Cayman Carbon Fiber Rear Diffuser (2016–2019)Porsche 718 Boxster & Cayman Carbon Fiber Rear Diffuser (2016–2019)
Porsche Panamera 970 GTS / Turbo S Carbon Fiber Rear Diffuser (2014–2016)Porsche Panamera 970 GTS / Turbo S Carbon Fiber Rear Diffuser (2014–2016)
Porsche 911 992.1 Carrera Dry Carbon Fiber Rear Diffuser Lip (2019–2020)Porsche 911 992.1 Carrera Dry Carbon Fiber Rear Diffuser Lip (2019–2020)
Porsche Macan Carbon Fiber Middle Lower Rear Diffuser (2022–2023)Porsche Macan Carbon Fiber Middle Lower Rear Diffuser (2022–2023)
Porsche Cayenne Carbon Fiber Rear Bumper Diffuser (2018–2019)Porsche Cayenne Carbon Fiber Rear Bumper Diffuser (2018–2019)
Porsche 911 991.2 Carrera 4 GTS Carbon Fiber Rear Diffuser (2017–2019)Porsche 911 991.2 Carrera 4 GTS Carbon Fiber Rear Diffuser (2017–2019)
REAR DIFFUSERS AND PERFORMANCE BUMPER UPGRADES

Give your vehicle a lower, wider and more aggressive appearance with a premium rear diffuser from EURO TUNED. Positioned beneath the rear bumper, a diffuser can transform the overall profile of the car while creating a cleaner transition around the exhaust outlets.

Our collection includes selected carbon fibre rear diffusers, gloss black diffuser upgrades and performance-style exhaust surrounds for compatible BMW, Audi, Mercedes-Benz, Mercedes-AMG, Volkswagen, Porsche, Toyota, Ferrari, Lamborghini and other enthusiast vehicles.

POPULAR REAR DIFFUSER STYLES

Available products may include:

  • Carbon fibre replacement rear diffusers
  • Gloss black diffuser inserts
  • Single-, dual- and quad-exit exhaust designs
  • Extended fins and motorsport-inspired profiles
  • Diffusers with integrated side extensions
  • Exhaust surrounds and rear bumper corner trims

Some products replace the complete lower bumper section, while others install over or around the factory diffuser. Exact construction, included hardware and installation style are stated on each product page.

CARBON FIBRE REAR DIFFUSERS

A carbon fibre rear diffuser pairs especially well with matching front splitters, side skirts, spoilers, mirror covers and carbon exhaust tips. Gloss black options offer a cleaner factory-inspired appearance and can complement black badges, grilles and window trim.

Selected products feature genuine 2x2 twill 3K carbon fibre for the visible woven finish rather than printed, wrapped or hydro-dipped carbon-look material. Exact construction is stated on each individual product page.

EXHAUST OUTLET AND BUMPER COMPATIBILITY

Rear diffusers must match both the factory bumper and the intended exhaust arrangement. Standard, sport-package and full performance models often use different bumper shapes, mounting points and outlet positions.

A diffuser designed for a quad-exit exhaust may not suit a factory single- or dual-exit system without additional exhaust modifications. Exhaust tip diameter, spacing and projection should also be checked before installation.

CHOOSING THE CORRECT REAR DIFFUSER

Before ordering an aftermarket rear diffuser, confirm the exact model, chassis code, production year, body style and factory bumper. Saloon, Coupe, Convertible, Gran Coupe, Touring, hatchback and SUV variants may use different rear bodywork.

Pre-facelift and facelift components are not always interchangeable. Parking sensors, rear cameras, tow bars, kick-to-open sensors and existing exhaust modifications may also affect compatibility.

INSTALLATION AND FITMENT

Many diffusers use factory mounting positions, while others may require additional screws, clips, adhesive or minor adjustment. Carbon fibre components should always be test-fitted before drilling or permanent bonding, and professional installation is recommended for the best alignment.

Customers requiring fitment confirmation can contact EURO TUNED with their vehicle specification, photographs of the rear bumper or VIN.

BUY REAR DIFFUSERS FROM EURO TUNED

EURO TUNED is based in Ireland and ships worldwide, delivering premium performance and styling parts to customers anywhere in the world.

Browse our collection of carbon fibre rear diffusers, gloss black bumper inserts, exhaust surrounds and quad-exit diffuser upgrades for selected European, Japanese and exotic performance vehicles.