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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  • 3DDesign Carbon Fibre Rear Diffuser for BMW 1 Series LCI (2015-2019, F20 F21) - AUTOID® - Rear Diffusers - 3DDesign

    3DDesign Carbon Fibre Rear Diffuser for BMW 1 Series LCI (2015-2019, F20 F21)

    3DDesign Carbon Fibre Rear Diffuser for BMW 1 Series LCI (2015-2019, F20 F21)
    6,033.13 NIS
  • 3DDesign Carbon Fibre Rear Diffuser for BMW 2 Series (2014-2020, F22 F23) - AUTOID® - Rear Diffusers - 3DDesign

    3DDesign Carbon Fibre Rear Diffuser for BMW 2 Series (2014-2020, F22 F23)

    3DDesign Carbon Fibre Rear Diffuser for BMW 2 Series (2014-2020, F22 F23)
    5,715.41 NIS
  • Hyundai Ioniq 5 N Carbon Fiber Rear Diffuser by Adro - AUTOID® - Rear Diffusers - Adro

    Hyundai Ioniq 5 N Carbon Fiber Rear Diffuser by Adro

    Hyundai Ioniq 5 N Carbon Fiber Rear Diffuser by Adro
    4,126.82 NIS
  • Toyota GR Supra ARD Prepreg Race Diffuser by Adro - AUTOID® - Rear Diffusers - Adro

    Toyota GR Supra ARD Prepreg Race Diffuser by Adro

    Toyota GR Supra ARD Prepreg Race Diffuser by Adro
    9,881.04 NIS
  • BMW G60 5-Series Carbon Fiber Rear Winglets by Adro - AUTOID® - Rear Diffusers - Adro

    BMW G60 5-Series Carbon Fiber Rear Winglets by Adro

    BMW G60 5-Series Carbon Fiber Rear Winglets by Adro
    2,008.70 NIS
  • BMW G87 M2 ARD Prepreg Race Diffuser by Adro - AUTOID® - Rear Diffusers - Adro

    BMW G87 M2 ARD Prepreg Race Diffuser by Adro

    BMW G87 M2 ARD Prepreg Race Diffuser by Adro
    10,234.04 NIS
  • Porsche 992.2 GT3 Prepreg Carbon Fibre Rear Diffuser by Adro - AUTOID® - Rear Diffusers - Adro

    Porsche 992.2 GT3 Prepreg Carbon Fibre Rear Diffuser by Adro

    Porsche 992.2 GT3 Prepreg Carbon Fibre Rear Diffuser by Adro
    14,011.38 NIS
  • Porsche 992.2 GT3 Prepreg Carbon Fibre Rear Apron Panel by Adro - AUTOID® - Rear Diffusers - Adro

    Porsche 992.2 GT3 Prepreg Carbon Fibre Rear Apron Panel by Adro

    Porsche 992.2 GT3 Prepreg Carbon Fibre Rear Apron Panel by Adro
    14,011.38 NIS
  • BMW M3 F80 & M4 F82 Carbon Fibre Rear Diffuser Final Edition by Adro (2014-2020) - AUTOID® - Rear Diffusers - Adro

    BMW M3 F80 & M4 F82 Carbon Fibre Rear Diffuser Final Edition by Adro (2014-2020)

    BMW M3 F80 & M4 F82 Carbon Fibre Rear Diffuser Final Edition by Adro (2014-2020)
    5,821.32 NIS
  • Audi RS3 8Y LCI Pre-Preg Carbon Fibre Rear Diffuser by AP (2024+) - AUTOID® - Rear Diffusers - Automotive Passion

    Audi RS3 8Y.5 Pre-Preg Carbon Fibre Rear Diffuser by AP (2024+)

    Audi RS3 8Y.5 Pre-Preg Carbon Fibre Rear Diffuser by AP (2024+)
    4,003.25 NIS
  • BMW X3 M50 G45 Pre-preg Carbon Fibre PR-1 Rear Diffuser by TREVORA (2025+) - AUTOID® - Rear Diffusers - TREVORA

    BMW X3 M50 G45 Pre-preg Carbon Fibre PR-1 Rear Diffuser by TREVORA (2025+)

    Pre-preg

    BMW X3 M50 G45 Pre-preg Carbon Fibre PR-1 Rear Diffuser by TREVORA (2025+)
    5,644.79 NIS
    In stock
  • Audi RS3 8Y Pre-Preg Carbon Outer Diffuser Trim

    Audi RS3 8Y.5 Pre-Preg Carbon Fibre Outer Diffuser Trim by FORM (2025+)

    Pre-preg

    Audi RS3 8Y.5 Pre-Preg Carbon Fibre Outer Diffuser Trim by FORM (2025+)
    2,644.14 NIS
    In stock
  • BMW M5 G90 G99 Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    BMW M5 G90 G99 Carbon Fibre Rear Diffuser by Akrapovic

    BMW M5 G90 G99 Carbon Fibre Rear Diffuser by Akrapovic
    10,804.33 NIS
  • Porsche Macan S, GTS & Turbo 95B Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche Macan S, GTS & Turbo 95B Carbon Fibre Rear Diffuser by Akrapovic

    Porsche Macan S, GTS & Turbo 95B Carbon Fibre Rear Diffuser by Akrapovic
    6,980.27 NIS
  • Porsche 911 Turbo & Turbo S 991.2 Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 Turbo & Turbo S 991.2 Carbon Fibre Rear Diffuser by Akrapovic

    Porsche 911 Turbo & Turbo S 991.2 Carbon Fibre Rear Diffuser by Akrapovic
    10,819.58 NIS
  • Porsche 911 Turbo & Turbo S 991.1 Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 Turbo & Turbo S 991.1 Rear Diffuser by Akrapovic

    Porsche 911 Turbo & Turbo S 991.1 Rear Diffuser by Akrapovic
    6,541.35 NIS
  • Porsche 911 GT3 RS 991.2 Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 GT3 RS 991.2 Carbon Fibre Rear Diffuser by Akrapovic

    Porsche 911 GT3 RS 991.2 Carbon Fibre Rear Diffuser by Akrapovic
    8,407.59 NIS
  • Porsche 911 GT3 & GT3 Touring 991.2 Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 GT3 & GT3 Touring 991.2 Carbon Fibre Rear Diffuser by Akrapovic

    Porsche 911 GT3 & GT3 Touring 991.2 Carbon Fibre Rear Diffuser by Akrapovic
    7,335.18 NIS
  • Porsche 911 GT3 991.1 Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 GT3 991.1 Rear Diffuser by Akrapovic

    Porsche 911 GT3 991.1 Rear Diffuser by Akrapovic
    6,537.54 NIS
  • Porsche 911 Carrera, S & GTS 991.2 Carbon Fibre Rear Diffuser by Akrapovic - AUTOID® - Rear Diffusers - Akrapovic

    Porsche 911 Carrera, S & GTS 991.2 Carbon Fibre Rear Diffuser by Akrapovic

    Porsche 911 Carrera, S & GTS 991.2 Carbon Fibre Rear Diffuser by Akrapovic
    5,949.85 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