Master the Road: Engineering Without Compromise.

Precision is at the core of every build. Our curated collection of coilovers, splitters, and performance hardware is designed to give you total control over your machine. Whether you’re dialing in your stance for the street or prepping for the track, we provide the components that turn vision into performance. Built for those who demand more than 'standard.

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Rear Bumper Diffusors

Precision Airflow. Aggressive Exit.

Transform your rear profile with functional aerodynamics and a bold, race-inspired finish.
THE COLLINGHAMCO STANDARD: Every part in this collection is track-tested or sim-verified by our crew. Free technical support included with every order.
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  • OW Rear Diffuser Seat CUPRA Leon 1 MK1 2020+ ABS Gloss Black Body Kit Styling

    OW Rear Diffuser Seat CUPRA Leon 1 MK1 2020+ ABS Gloss Black Body Kit Styling

    OW Rear Diffuser Seat CUPRA Leon 1 MK1 2020+ ABS Gloss Black Body Kit Styling
    £187.00 GBP
  • Motordrome Rear Bumper Lower Diffusor Citroen C3 Mk4 Gloss Black

    Motordrome Rear Bumper Lower Diffusor Citroen C3 Mk4 Gloss Black

    Motordrome Rear Bumper Lower Diffusor Citroen C3 Mk4 Gloss Black
    £127.00 GBP
  • Motordrome Rear Bumper Diffusor Jumpy Space Tourer Scudo Vivaro Expert Proace

    Motordrome Rear Bumper Diffusor Jumpy Space Tourer Scudo Vivaro Expert Proace

    Motordrome Rear Bumper Diffusor Jumpy Space Tourer Scudo Vivaro Expert Proace
    £117.00 GBP
  • Motordrome Rear Bumper Diffusor Splitter VW Caddy Mk4 15-21 Glossy Black

    Motordrome Rear Bumper Diffusor Splitter VW Caddy Mk4 15-21 Glossy Black

    Motordrome Rear Bumper Diffusor Splitter VW Caddy Mk4 15-21 Glossy Black
    £117.00 GBP
  • Motordrome Rear Bumper Diffusor Splitter Alfa Romeo Junior 24+ Glossy Black

    Motordrome Rear Bumper Diffusor Splitter Alfa Romeo Junior 24+ Glossy Black

    Motordrome Rear Bumper Diffusor Splitter Alfa Romeo Junior 24+ Glossy Black
    £117.00 GBP
  • Motordrome Rear Splitter Diffuser VW T6.1 Long Gloss Black

    Motordrome Rear Splitter Diffuser VW T6.1 Long Gloss Black

    Motordrome Rear Splitter Diffuser VW T6.1 Long Gloss Black
    £118.15 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black
    £144.00 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black
    £144.00 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor VW Tiguan Mk3 R-Line Gloss Black

    Motordrome Design Rear Bumper Splitter Diffusor VW Tiguan Mk3 R-Line Gloss Black

    Motordrome Design Rear Bumper Splitter Diffusor VW Tiguan Mk3 R-Line Gloss Black
    £144.00 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black
    £244.60 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor Opel Corsa F 19+ Glossy Black
    £190.81 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black
    £244.60 GBP
  • Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black

    Motordrome Design Rear Bumper Splitter Diffusor BMW 1 Series F40 Glossy Black
    £190.81 GBP
  • Motordrome Rear Bumper Diffusor Jumpy Space Tourer Scudo Vivaro Expert Proace

    Motordrome Rear Bumper Diffusor Jumpy Space Tourer Scudo Vivaro Expert Proace

    Motordrome Rear Bumper Diffusor Jumpy Space Tourer Scudo Vivaro Expert Proace
    £144.00 GBP
  • Motordrome Rear Bumper Diffusor Splitter VW Caddy Mk4 15-21 Glossy Black

    Motordrome Rear Bumper Diffusor Splitter VW Caddy Mk4 15-21 Glossy Black

    Motordrome Rear Bumper Diffusor Splitter VW Caddy Mk4 15-21 Glossy Black
    £144.00 GBP
  • Motordrome Rear Bumper Diffusor Splitter Alfa Romeo Junior 24+ Glossy Black

    Motordrome Rear Bumper Diffusor Splitter Alfa Romeo Junior 24+ Glossy Black

    Motordrome Rear Bumper Diffusor Splitter Alfa Romeo Junior 24+ Glossy Black
    £147.00 GBP
  • OW Rear Bumper Diffuser Splitter Styling CUPRA Terramar Mk1 25+ ABS Gloss Black

    OW Rear Bumper Diffuser Splitter Styling CUPRA Terramar Mk1 25+ ABS Gloss Black

    OW Rear Bumper Diffuser Splitter Styling CUPRA Terramar Mk1 25+ ABS Gloss Black
    £257.00 GBP
  • Motordrome Design Rear Bumper Diffuser Ford Fiesta Mk7 08-13 Gloss Black

    Motordrome Design Rear Bumper Diffuser Ford Fiesta Mk7 08-13 Gloss Black

    Motordrome Design Rear Bumper Diffuser Ford Fiesta Mk7 08-13 Gloss Black
    £144.00 GBP
  • Motordrome Rear Splitter Diffusor Opel Vauxhall Astra L - Black Gloss ABS

    Motordrome Rear Splitter Diffusor Opel Vauxhall Astra L - Black Gloss ABS

    Motordrome Rear Splitter Diffusor Opel Vauxhall Astra L - Black Gloss ABS
    £154.00 GBP
  • Motordrome Rear Bumper Lower Diffusor Citroen C3 Mk4 Gloss Black

    Motordrome Rear Bumper Lower Diffusor Citroen C3 Mk4 Gloss Black

    Motordrome Rear Bumper Lower Diffusor Citroen C3 Mk4 Gloss Black
    £154.00 GBP
  • OW Rear Bumper Diffuser Splitter Styling CUPRA Terramar Mk1 25+ ABS Gloss Black

    OW Rear Bumper Diffuser Splitter Styling CUPRA Terramar Mk1 25+ ABS Gloss Black

    OW Rear Bumper Diffuser Splitter Styling CUPRA Terramar Mk1 25+ ABS Gloss Black
    £213.31 GBP
  • Motordrome Design Rear Bumper Diffuser Audi A3 8P Sportback 08-12 Gloss Black

    Motordrome Design Rear Bumper Diffuser Audi A3 8P Sportback 08-12 Gloss Black

    Motordrome Design Rear Bumper Diffuser Audi A3 8P Sportback 08-12 Gloss Black
    £175.74 GBP
  • Motordrome Design Rear Bumper Diffuser Audi A3 8P Sportback 08-12 Gloss Black

    Motordrome Design Rear Bumper Diffuser Audi A3 8P Sportback 08-12 Gloss Black

    Motordrome Design Rear Bumper Diffuser Audi A3 8P Sportback 08-12 Gloss Black
    £138.61 GBP
  • Motordrome Rear Splitter Diffuser VW T6.1 Long Gloss Black

    Motordrome Rear Splitter Diffuser VW T6.1 Long Gloss Black

    Motordrome Rear Splitter Diffuser VW T6.1 Long Gloss Black
    £115.37 GBP

Common Questions

Are these parts track-legal?
Most COLLINGHAMCO LTD performance parts are designed for off-road or track use. Check individual product specs for MOT compliance.

Do you offer technical support?
Yes, every order includes access to our expert crew for fitment advice and technical guidance.