Rear Diffusers

Rear Diffusers - Carbon Fibre & Gloss Black Upgrades for All Performance Platforms

The rear diffuser is one of the most visually and aerodynamically significant upgrades available for any performance car. Positioned at the lowest point of the rear bumper, a well-designed diffuser manages the airflow beneath the car, reduces rear lift at speed and transforms the rear end aesthetic from factory-conservative to purposefully aggressive. At AUTOID, we supply a carefully curated range of rear diffusers for BMW, Volkswagen, Audi, Toyota and other performance platforms – in carbon fibre, gloss black ABS and polyurethane, across a price range that suits every build level.

Rear Diffusers

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  • Audi R8 Carbon Fiber Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Audi R8 Carbon Fiber Rear Diffuser by Vorsteiner

    Pre-preg

    Audi R8 Carbon Fiber Rear Diffuser by Vorsteiner
    12,085.07 NIS
  • BMW F12 M6 V-Style Aero Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    BMW F12 M6 V-Style Aero Rear Diffuser by Vorsteiner

    Pre-preg

    BMW F12 M6 V-Style Aero Rear Diffuser by Vorsteiner
    8,745.51 NIS
  • BMW F80/F81 M3 | F82/F83 M4 GTS Carbon Fiber Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    BMW F80 M3 | F82/F83 M4 GTS Carbon Fiber Rear Diffuser by Vorsteiner

    Pre-preg

    BMW F80 M3 | F82/F83 M4 GTS Carbon Fiber Rear Diffuser by Vorsteiner
    8,328.07 NIS
  • Tesla Model 3 Volta Aero Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Tesla Model 3 Volta Aero Rear Diffuser by Vorsteiner

    Pre-preg

    Tesla Model 3 Volta Aero Rear Diffuser by Vorsteiner
    8,344.76 NIS
  • Ferrari 488 Diavolo Carbon Fiber Rear Diffuser Fins by Vordteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Ferrari 488 Diavolo Carbon Fiber Rear Diffuser Fins by Vordteiner

    Pre-preg

    Ferrari 488 Diavolo Carbon Fiber Rear Diffuser Fins by Vordteiner
    10,415.31 NIS
  • Lamborghini Aventador Zaragoza Edizione Aero Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Lamborghini Aventador Zaragoza Edizione Aero Rear Diffuser by Vorsteiner

    Pre-preg

    Lamborghini Aventador Zaragoza Edizione Aero Rear Diffuser by Vorsteiner
    20,851.47 NIS
  • BMW F91/F92/F93 M8 VRS Aero Rear Diffuser Carbon Fiber by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    BMW F91/F92/F93 M8 VRS Aero Rear Diffuser Carbon Fiber by Vorsteiner

    Pre-preg

    BMW F91/F92/F93 M8 VRS Aero Rear Diffuser Carbon Fiber by Vorsteiner
    11,250.19 NIS
  • BMW G82/G83 M4 Carbon Fiber Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    BMW G82/G83 M4 Carbon Fiber Rear Diffuser by Vorsteiner

    Pre-preg

    BMW G82/G83 M4 Carbon Fiber Rear Diffuser by Vorsteiner
    11,250.19 NIS
  • Tesla Model Y Aero Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Tesla Model Y Aero Rear Diffuser by Vorsteiner

    Pre-preg

    Tesla Model Y Aero Rear Diffuser by Vorsteiner
    7,509.89 NIS
  • Lamborghini Huracan STO Rear Diffuser Carbon Fiber by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Lamborghini Huracan STO Rear Diffuser Carbon Fiber by Vorsteiner

    Pre-preg

    Lamborghini Huracan STO Rear Diffuser Carbon Fiber by Vorsteiner
    50,490.18 NIS
  • BMW E46 M3 V-CSL Aero Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    BMW E46 M3 V-CSL Aero Rear Diffuser by Vorsteiner

    Pre-preg

    BMW E46 M3 V-CSL Aero Rear Diffuser by Vorsteiner
    6,658.27 NIS
  • Tesla Model S Plaid VRS Aero Rear Diffuser Carbon Fiber by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Tesla Model S Plaid VRS Aero Rear Diffuser Carbon Fiber by Vorsteiner

    Pre-preg

    Tesla Model S Plaid VRS Aero Rear Diffuser Carbon Fiber by Vorsteiner
    12,936.68 NIS
  • BMW E46 M3 V20 Aero Rear Diffuser Carbon Fiber By Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    BMW E46 M3 V20 Aero Rear Diffuser Carbon Fiber By Vorsteiner

    Pre-preg

    BMW E46 M3 V20 Aero Rear Diffuser Carbon Fiber By Vorsteiner
    7,910.63 NIS
  • Lamborghini Urus Performante Edizione Aero Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Lamborghini Urus Performante Edizione Aero Rear Diffuser by Vorsteiner

    Pre-preg

    Lamborghini Urus Performante Edizione Aero Rear Diffuser by Vorsteiner
    45,898.26 NIS
  • McLaren Artura Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    McLaren Artura Rear Diffuser by Vorsteiner

    Pre-preg

    McLaren Artura Rear Diffuser by Vorsteiner
    33,374.86 NIS
  • McLaren Artura GP63 Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    McLaren Artura GP63 Diffuser by Vorsteiner

    Pre-preg

    McLaren Artura GP63 Diffuser by Vorsteiner
    54,247.18 NIS
  • Lotus Emira LR-52 Rear Diffuser by Vorsteiner - AUTOID® - Rear Diffusers - Vorsteiner

    Lotus Emira LR-52 Rear Diffuser by Vorsteiner

    Pre-preg

    Lotus Emira LR-52 Rear Diffuser by Vorsteiner
    17,094.43 NIS
  • Land Rover Range Rover L460 - Rear Diffuser - AUTOID® - Rear Diffusers - Vorsteiner

    Land Rover Range Rover L460 - Rear Diffuser

    Land Rover Range Rover L460 - Rear Diffuser
    30,035.31 NIS
  • BMW X3M LCI F97 Pre-Preg Carbon Fibre Rear Diffuser by Adro (2022+) - AUTOID® - Rear Diffusers - Adro
    Sale

    BMW X3M LCI F97 Pre-Preg Carbon Fibre Rear Diffuser by Adro (2022+)

    Pre-preg

    BMW X3M LCI F97 Pre-Preg Carbon Fibre Rear Diffuser by Adro (2022+)
    8,416.36 NIS 9,351.51 NIS
    In stock
  • BMW M5 G90 G99 Carbon Fibre Rear Diffuser V2 by Alpha-N (2024+) - AUTOID® - Rear Diffusers - Alpha-N

    BMW M5 G90 G99 Carbon Fibre Rear Diffuser V2 by Alpha-N (2024+)

    Pre-preg

    BMW M5 G90 G99 Carbon Fibre Rear Diffuser V2 by Alpha-N (2024+)
    7,056.86 NIS

Frequently asked questions
Do rear diffusers actually improve aerodynamics or are they purely cosmetic?

A well-designed, vehicle-specific rear diffuser can produce measurable aerodynamic benefits by managing airflow under the car and reducing rear lift at higher speeds. Diffusers that have been CFD-tested (such as the ADRO X3M LCI diffuser in our range) produce quantified improvements in rear stability. Purely cosmetic diffusers with no proper underbody channel geometry deliver less aerodynamic benefit but still provide significant visual enhancement.
What material options are available for rear diffusers?

We offer rear diffusers in pre-preg carbon fibre (the highest specification - used on ADRO products), standard CFRP 2x2 weave carbon and high-quality ABS plastic in gloss black. Pre-preg is the lightest and most visually refined option; ABS gloss black provides an accessible, durable alternative at a lower price point.
Will a rear diffuser fit around my aftermarket exhaust?

This depends on the specific diffuser and exhaust tip size/position. Most vehicle-specific diffusers are designed around the OEM exhaust exit point. If you have an aftermarket exhaust with a different tip size, please contact us to confirm clearance before ordering.
How are rear diffusers installed?

Most diffusers in our range bolt directly onto existing mounting points on the rear bumper. No drilling, cutting or permanent modification is required. Installation typically takes 20–45 minutes with basic tools.

Rear Diffusers - Carbon Fibre & Gloss Black Upgrades for All Performance Platforms

The rear diffuser is one of the most visually and aerodynamically significant upgrades available for any performance car. Positioned at the lowest point of the rear bumper, a well-designed diffuser manages the airflow beneath the car, reduces rear lift at speed and transforms the rear end aesthetic from factory-conservative to purposefully aggressive. At AUTOID, we supply a carefully curated range of rear diffusers for BMW, Volkswagen, Audi, Toyota and other performance platforms – in carbon fibre, gloss black ABS and polyurethane, across a price range that suits every build level.

Key Benefits of a Rear Diffuser Upgrade:

  • Improved rear-end aerodynamics - reduces rear lift at higher speeds
  • Dramatic visual transformation of the rear bumper area
  • Carbon fibre options are lightweight, premium and UV-resistant
  • Direct OEM-mount fitment - no modification required
  • Compatible with standard exhaust systems and aftermarket exhaust tips