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 X7 G07 Gloss Black Competition Rear Diffuser Set by FORM (2018+) - AUTOID® - Rear Diffusers - FORM Industries

    BMW X7 G07 Gloss Black Competition Rear Diffuser Set by FORM (2018+)

    BMW X7 G07 Gloss Black Competition Rear Diffuser Set by FORM (2018+)
    985.88 NIS
  • BMW X5 G05 Gloss Black Competition Rear Diffuser Set by FORM (2018+) - AUTOID® - Rear Diffusers - FORM Industries

    BMW X5 G05 Gloss Black Competition Rear Diffuser Set by FORM (2018+)

    BMW X5 G05 Gloss Black Competition Rear Diffuser Set by FORM (2018+)
    844.55 NIS
  • 3DDesign Carbon Fibre Rear Diffuser (Type 2) for BMW M2 & M2 Competition (2015-2021, F87) - AUTOID® - Rear Diffusers - 3DDesign

    3DDesign Carbon Fibre Rear Diffuser (Type 2) for BMW M2 & M2 Competition (2015-2021, F87)

    3DDesign Carbon Fibre Rear Diffuser (Type 2) for BMW M2 & M2 Competition (2015-2021, F87)
    8,512.45 NIS
  • BMW M3 G80 G81 & M4 G82 G83 Pre-Preg Carbon Fibre Rear Diffuser V2 by Adro (2021+) - AUTOID® - Rear Diffusers - Adro

    BMW M3 G80 G81 & M4 G82 G83 Pre-Preg Carbon Fibre Rear Diffuser V2 by Adro (2021+)

    Pre-preg

    BMW M3 G80 G81 & M4 G82 G83 Pre-Preg Carbon Fibre Rear Diffuser V2 by Adro (2021+)
    6,533.62 NIS
    In stock
  • BMW X5M LCI F95 Carbon Fibre Rear Lower Diffuser Pieces by 3DDesign (2023+) - AUTOID® - Rear Diffusers - 3DDesign

    BMW X5M LCI F95 Carbon Fibre Rear Diffuser by 3DDesign (2023+)

    BMW X5M LCI F95 Carbon Fibre Rear Diffuser by 3DDesign (2023+)
    7,947.09 NIS
  • BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser V2 by Adro (2023+) - AUTOID® - Rear Diffusers - Adro

    BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser V2 by Adro (2023+)

    Pre-preg

    BMW M2 G87 Pre-Preg Carbon Fibre Rear Diffuser V2 by Adro (2023+)

    (1)

    6,356.97 NIS
    In stock
  • Hyundai i30 N Facelift EVO-1 Carbon Fibre Rear Diffuser (2020+) - AUTOID® - Rear Diffusers - CT Design

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

    Hyundai i30 N Facelift EVO-1 Carbon Fibre Rear Diffuser (2020+)
    1,233.21 NIS
  • Audi RS6 C8 Pre-Preg Carbon Fibre Full Body Kit (2019+) - AUTOID® - Rear Diffusers - CT Design

    Audi RS6 C8 Pre-Preg Carbon Fibre Full Body Kit (2019+)

    Audi RS6 C8 Pre-Preg Carbon Fibre Full Body Kit (2019+)
    14,130.88 NIS
  • Audi RSQ8 4M Pre-Preg Carbon Fibre Rear Diffuser (2019-2024) - AUTOID® - Rear Diffusers - CT Design

    Audi RSQ8 4M Pre-Preg Carbon Fibre Rear Diffuser (2019-2024)

    Audi RSQ8 4M Pre-Preg Carbon Fibre Rear Diffuser (2019-2024)
    4,943.50 NIS
  • Tesla Model Y Pre-Preg Carbon Fibre Rear Diffuser by Adro (2020+) - AUTOID® - Rear Diffusers - Adro

    Tesla Model Y Pre-Preg Carbon Fibre Rear Diffuser by Adro (2020+)

    Tesla Model Y Pre-Preg Carbon Fibre Rear Diffuser by Adro (2020+)

    (1)

    7,770.39 NIS
  • Audi RSQ8 4M Carbon Fibre Rear Bumper Splitters by Urban (2019-2024) - AUTOID® - Rear Diffusers - Urban Automotive

    Audi RSQ8 4M Carbon Fibre Rear Bumper Splitters by Urban (2019-2024)

    Audi RSQ8 4M Carbon Fibre Rear Bumper Splitters by Urban (2019-2024)

    (1)

    3,964.70 NIS
  • M Performance Rear Diffuser for BMW M5 (2017-2023, F90) - AUTOID® - Rear Diffusers - BMW M Performance

    M Performance Rear Diffuser for BMW M5 (2017-2023, F90)

    M Performance Rear Diffuser for BMW M5 (2017-2023, F90)
    4,236.80 NIS
  • Tesla Model S Plaid Facelift II Pre-Preg Carbon Fibre Rear Diffuser by Adro (2021+) - AUTOID® - Rear Diffusers - Adro

    Tesla Model S Plaid Facelift II Pre-Preg Carbon Fibre Rear Diffuser by Adro (2021+)

    Tesla Model S Plaid Facelift II Pre-Preg Carbon Fibre Rear Diffuser by Adro (2021+)
    7,947.09 NIS
  • BMW X5M LCI F95 Carbon Fibre Rear Lower Diffuser Pieces by 3DDesign (2023+) - AUTOID® - Rear Diffusers - 3DDesign

    BMW X5M LCI F95 Carbon Fibre Rear Lower Diffuser Pieces by 3DDesign (2023+)

    BMW X5M LCI F95 Carbon Fibre Rear Lower Diffuser Pieces by 3DDesign (2023+)
    5,296.89 NIS
  • BMW M340i G20 G21 LCI Carbon Fibre Rear Diffuser by Adro (2022+) - AUTOID® - Rear Diffusers - Adro

    BMW M340i G20 G21 LCI Carbon Fibre Rear Diffuser by Adro (2022+)

    BMW M340i G20 G21 LCI Carbon Fibre Rear Diffuser by Adro (2022+)
    5,120.19 NIS
  • Toyota GR Yaris (Gen 1 & Gen 2) Carbon Fibre Rear Diffuser by Adro - AUTOID® - Rear Diffusers - Adro

    Toyota GR Yaris (Gen 1 & Gen 2) Carbon Fibre Rear Diffuser by Adro

    Toyota GR Yaris (Gen 1 & Gen 2) Carbon Fibre Rear Diffuser by Adro
    4,236.80 NIS
  • BMW M2 G87 Pre-Preg Carbon Fibre CS Rear Diffuser by FORM (2023+) - AUTOID® - Rear Diffusers - FORM Industries

    BMW M2 G87 Pre-Preg Carbon Fibre CS Rear Diffuser by FORM (2023+)

    Pre-preg

    BMW M2 G87 Pre-Preg Carbon Fibre CS Rear Diffuser by FORM (2023+)
    3,530.07 NIS
  • Porsche 911 GT3 & GT3 Touring 992.1 Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 GT3 & GT3 Touring 992.1 Carbon Fibre Rear Diffuser by Akrapovic

    Porsche 911 GT3 & GT3 Touring 992.1 Carbon Fibre Rear Diffuser by Akrapovic
    6,066.33 NIS
  • BMW X6M F96 Pre-Preg Carbon Fibre Brake Light Rear Diffuser by SQ (2020+) - AUTOID® - Rear Diffusers - SQ

    BMW X6M F96 Pre-Preg Carbon Fibre Brake Light Rear Diffuser by SQ (2020+)

    Pre-preg

    BMW X6M F96 Pre-Preg Carbon Fibre Brake Light Rear Diffuser by SQ (2020+)
    4,590.15 NIS
  • Porsche 718 Pre-Preg Carbon Fibre Rear Diffuser by ADRO - AUTOID® - Rear Diffusers - Adro

    Porsche 718 Pre-Preg Carbon Fibre Rear Diffuser by ADRO

    Pre-preg

    Porsche 718 Pre-Preg Carbon Fibre Rear Diffuser by ADRO
    9,183.82 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