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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  • BMW G90 G99 M5 Carbon Fibre Rear Diffuser by ADRO - AUTOID® - Rear Diffusers - Adro

    BMW G90 G99 M5 Carbon Fibre Rear Diffuser by ADRO

    Pre-preg

    BMW G90 G99 M5 Carbon Fibre Rear Diffuser by ADRO
    8,657.34 NIS
    In stock
  • BMW X5M F95 Pre-Preg Carbon Fibre Rear Diffuser by Adro (2020+) - AUTOID® - Rear Diffusers - Adro

    BMW X5M F95 Pre-Preg Carbon Fibre Rear Diffuser by Adro (2020+)

    Pre-preg

    BMW X5M F95 Pre-Preg Carbon Fibre Rear Diffuser by Adro (2020+)
    10,243.90 NIS
  • BMW X5M F95 & X6M F96 Pre-Preg Carbon Fibre Rear Diffuser (2019+) - AUTOID® - Rear Diffusers - CT Design

    BMW X5M F95 & X6M F96 Pre-Preg Carbon Fibre Rear Diffuser (2019+)

    Pre-preg

    BMW X5M F95 & X6M F96 Pre-Preg Carbon Fibre Rear Diffuser (2019+)
    3,530.07 NIS
  • Porsche 992.1 GT3 Pre-Preg Carbon Fibre Rear Diffuser by Adro - AUTOID® - Rear Diffusers - Adro

    Porsche 992.1 GT3 Pre-Preg Carbon Fibre Rear Diffuser by Adro

    Pre-preg

    Porsche 992.1 GT3 Pre-Preg Carbon Fibre Rear Diffuser by Adro
    13,424.14 NIS
  • Porsche 992.1 GT3 Pre-Preg Carbon Fibre Rear Apron Panel by Adro - AUTOID® - Rear Diffusers - Adro

    Porsche 992.1 GT3 Pre-Preg Carbon Fibre Rear Apron Panel by Adro

    Pre-preg

    Porsche 992.1 GT3 Pre-Preg Carbon Fibre Rear Apron Panel by Adro
    13,424.14 NIS
  • BMW M5 G90 G99 Carbon Fibre Rear Diffuser V1 by Alpha-N (2024+) - AUTOID® - Rear Diffusers - Alpha-N

    BMW M5 G90 G99 Carbon Fibre Rear Diffuser V1 by Alpha-N (2024+)

    Pre-preg

    BMW M5 G90 G99 Carbon Fibre Rear Diffuser V1 by Alpha-N (2024+)
    6,710.31 NIS
  • Lamborghini Huracan Performante Full Forged Carbon Fibre Rear Diffuser Extensions - AUTOID® - Rear Diffusers - CT Design

    Lamborghini Huracan Performante Full Forged Carbon Fibre Rear Diffuser Extensions

    Lamborghini Huracan Performante Full Forged Carbon Fibre Rear Diffuser Extensions
    3,176.72 NIS
  • Hyundai i30 N Pre-Facelift EVO-1 Carbon Fibre Rear Diffuser (2018-2020) - AUTOID® - Rear Diffusers - CT Design

    Hyundai i30 N Pre-Facelift EVO-1 Carbon Fibre Rear Diffuser (2018-2020)

    Hyundai i30 N Pre-Facelift EVO-1 Carbon Fibre Rear Diffuser (2018-2020)
    1,056.56 NIS
  • Porsche 911 (992) Turbo S Pre-Preg Carbon Fibre Rear Diffuser (2020+) - AUTOID® - Rear Diffusers - CT Design

    Porsche 911 (992) Turbo S Pre-Preg Carbon Fibre Rear Diffuser (2020+)

    Porsche 911 (992) Turbo S Pre-Preg Carbon Fibre Rear Diffuser (2020+)
    10,243.90 NIS
  • Lamborghini Huracan LP610 Pre-Preg Carbon Fibre Rear Diffuser - AUTOID® - Rear Diffusers - CT Design

    Lamborghini Huracan LP610 Pre-Preg Carbon Fibre Rear Diffuser

    Lamborghini Huracan LP610 Pre-Preg Carbon Fibre Rear Diffuser
    4,943.50 NIS
  • Audi RS6 C8 Pre-Preg Carbon Fibre Rear Diffuser (2019+) - AUTOID® - Rear Diffusers - CT Design

    Audi RS6 C8 Pre-Preg Carbon Fibre Rear Diffuser (2019+)

    Audi RS6 C8 Pre-Preg Carbon Fibre Rear Diffuser (2019+)
    4,590.15 NIS
  • BMW 3 Series G20 G21 LCI Carbon Fibre Rear Diffuser Set by FORM (2023+) - AUTOID® - Rear Diffusers - FORM Industries

    BMW 3 Series G20 G21 LCI Carbon Fibre Rear Diffuser Set by FORM (2022+)

    BMW 3 Series G20 G21 LCI Carbon Fibre Rear Diffuser Set by FORM (2022+)
    3,176.72 NIS
    In stock
  • Toyota GR86 & Subaru BRZ Pre-Preg Carbon Fibre Rear Diffuser by Adro (2022+) - AUTOID® - Rear Diffusers - Adro

    Toyota GR86 & Subaru BRZ Pre-Preg Carbon Fibre Rear Diffuser by Adro (2022+)

    Toyota GR86 & Subaru BRZ Pre-Preg Carbon Fibre Rear Diffuser by Adro (2022+)

    (1)

    4,943.50 NIS
  • Kia Stinger Carbon Fibre Rear Diffuser V2 by Adro (2018+) - AUTOID® - Rear Diffusers - Adro

    Kia Stinger Carbon Fibre Rear Diffuser V2 by Adro (2018+)

    Kia Stinger Carbon Fibre Rear Diffuser V2 by Adro (2018+)
    3,883.42 NIS
  • Tesla Model 3 Carbon Fibre V2 Rear Diffuser by Adro (2017+) - AUTOID® - Rear Diffusers - Adro

    Tesla Model 3 Carbon Fibre V2 Rear Diffuser by Adro (2017+)

    Tesla Model 3 Carbon Fibre V2 Rear Diffuser by Adro (2017+)
    4,590.15 NIS
  • Audi RS3 8Y Hatchback Pre-Preg Carbon Fibre Rear Diffuser (2020-2024) - AUTOID® - Rear Diffusers - CT Design

    Audi RS3 8Y Hatchback Pre-Preg Carbon Fibre Rear Diffuser (2020-2024)

    Audi RS3 8Y Hatchback Pre-Preg Carbon Fibre Rear Diffuser (2020-2024)
    3,883.42 NIS
  • M Performance Carbon Fibre Rear Diffuser for BMW X5M (2020+, F95) - AUTOID® - Rear Diffusers - BMW M Performance

    M Performance Carbon Fibre Rear Diffuser for BMW X5M (2020+, F95)

    M Performance Carbon Fibre Rear Diffuser for BMW X5M (2020+, F95)
    4,766.84 NIS
  • BMW 4 Series G22 G23 Pre-Preg Carbon Fibre Competition Rear Diffuser Set Pro by FORM (2020+) - AUTOID® - Rear Diffusers - FORM Industries

    BMW 4 Series G22 G23 Pre-Preg Carbon Fibre Competition Rear Diffuser Set Pro by FORM (2020+)

    BMW 4 Series G22 G23 Pre-Preg Carbon Fibre Competition Rear Diffuser Set Pro by FORM (2020+)
    4,660.84 NIS
  • Carbon Fibre Competition Rear Diffuser Set for BMW X5 by FORM (2018+, G05) - AUTOID® - Rear Diffusers - FORM Industries

    Carbon Fibre Competition Rear Diffuser Set for BMW X5 by FORM (2018+, G05)

    Carbon Fibre Competition Rear Diffuser Set for BMW X5 by FORM (2018+, G05)
    2,116.64 NIS
  • M Performance Carbon Fibre Rear Diffuser for BMW M3 & M4 (2021+, G80 G82 G83) - AUTOID® - Rear Diffusers - BMW M Performance

    M Performance Carbon Fibre Rear Diffuser for BMW M3 & M4 (2021+, G80 G82 G83)

    M Performance Carbon Fibre Rear Diffuser for BMW M3 & M4 (2021+, G80 G82 G83)
    14,130.88 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