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Beak

Universal Rear Diffuser Center Strip Spoiler Series

Becquet Voiture price −18 %
1 644,91 € 2 010,45 €
You save 365,54 €

Price in cart: 1 480,42 €
An extra −10% applied automatically, no code needed.

Color
Matte Black
Carbon
Forged Carbon
Ships within 48 hours with tracking and insurance.
Free shipping on orders over 99 €, otherwise 9,95 €.
30 daysto change your mind
Secure payment3D Secure, PayPal
Legal warranty2-year conformity guarantee
Expert advicereply within 24 business hours
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DescriptionEverything about this product

Universal rear diffuser — the sporty splitter that enhances the rear of your car

Give your car a racing edge with this universal rear diffuser with fins. Designed for tuning enthusiasts who want a more aggressive rear lower body panel, it provides an immediate visual signature without major modifications. It is often the final piece of a project: the one that, once installed, finally brings the whole look together and gives the rear the same intent as the front.

A design that energizes your car

The vertical fins and rear lip create a competition diffuser effect that stretches the lines toward the ground. Available in matte black, carbon fiber, and forged carbon fiber, it adapts to many body styles for a custom look. Matte black creates a sharp contrast with lighter colors; the carbon fiber finish reveals a weave that catches the light from every angle; forged carbon fiber is even more expressive, displaying the irregular flecks reserved for the most exclusive parts.

The effect is more profound than it appears: by breaking up the large, smooth surface of the lower bumper, this rear bumper diffuser creates a horizontal shadow that visually lowers the body and widens the vehicle's stance. This is the very principle behind competition lower body panels and appendages, concentrated in a single part.

Design, material & finish

Made from a rigid, lightweight material, this diffuser resists debris, light impacts, and the elements. The meticulous finish provides a premium look that instantly enhances the rear of the vehicle. The rigidity of the material allows for sharp edges and well-defined fins, whereas a part that is too flexible will sag and lose all its visual appeal after a few months.

  • Diffuser with vertical fins — the pronounced detailing of competition cars
  • Three finishes — matte black, carbon fiber, or forged carbon fiber, depending on the style of your project
  • Universal model — adaptable to many rear bumper shapes
  • Installation without major modifications — high-strength adhesive and fasteners, no bodywork cutouts
  • Visually lowered rear — a car that appears wider and more planted on its wheels

Installation, compatibility & durability

Universal model to be adapted to the shape of your rear bumper. Installation is done using high-strength adhesive and fasteners; careful fitting and installation, preferably by a professional, are recommended. Compatibility should be checked for your vehicle before installation. Plan for a dry fit, marking out with masking tape, and a complete degreasing of the contact area: this is what guarantees perfect alignment with the exhaust outlets and a long-lasting hold.

Does a universal diffuser really fit all cars?

The honest answer is: many, but not all without adjustment. A universal car rear diffuser is designed with a contact surface and length intended to cover the majority of bumpers, but the contour of each bumper remains unique. Depending on the vehicle, slight edge trimming, choosing a higher or lower position, or adding additional fasteners may be necessary. This is precisely what distinguishes a successful installation from a sloppy fit — and why we recommend measuring your bumper before ordering.

Why order your universal rear diffuser from Becquet Voiture?

Because rear styling has always been our specialty. Becquet Voiture selects its diffusers and bumper blades based on material rigidity, finish quality, and the true versatility of the template, with a complete catalog of spoilers, wings, and performance accessories, and support in French before and after purchase.

Enhance your car's style: order your universal rear diffuser today.

Type: Universal rear diffuser
Compatible make / model: Universal, depending on the model
Years: Depending on the version
Material: Depending on the finish (ABS / carbon fiber look)
Finish: Matte black, carbon fiber, or forged carbon fiber
Position: Rear
Installation: To be checked depending on the version
Condition: 100% New
Main function: Sporty lower rear body panel trim

Vehicle compatibilityUniversal: fits most cars
Universal fit Universal: fits most cars

Check before ordering

  • Number and position of the exhaust outlets, and rear bumper finish (standard or sport)
Not sure? Send us your VIN and the link to this product: we check compatibility for free and reply within 24 business hours. Ask an advisor
Installation1 h to 2 h · Double-sided tape
DifficultyPro recommended
Time1 h to 2 h
FixingDouble-sided tape
Professional fitting recommended. This part involves safety, wiring or bodywork: a garage or body shop will fit it quickly and safely.

Useful tools

  • Torx screwdriver
  • Socket wrench
  • Plastic trim removal kit
  • Jack and jack stands
  • Isopropyl alcohol

Fitting steps

  1. Dry-fit the diffuser

    Place the diffuser under your vehicle's rear bumper and check the alignment with the exhaust outlets. Before fitting, check that the version received (Matte Black, Carbon, Forged Carbon) is the one you ordered.

  2. Remove the original part

    Remove the screws and clips under the bumper, then unclip the original skirt or diffuser.

  3. Clean and degrease

    Wash the fitting area, then degrease it with isopropyl alcohol. Let it dry completely.

  4. Stick on the dividers

    Dry-fit the dividers, peel the film off the double-sided tape, then press firmly for 30 seconds over the whole surface.

  5. Check the result

    Check the alignment with the exhaust outlets and the clearance from the ground.

  • Put the vehicle on jack stands or a lift: never work under a car held up only by the jack.
  • Let the exhaust cool down before working near it.
  • Fit above 59 °F (15 °C) and avoid washing for 24 h: the adhesive reaches full strength after that time.
Need help while fitting? Write to us with a photo: an advisor will reply within 24 business hours. Ask for help
Shipping and returnsShips within 48 hours · 30 days to change your mind
Order prepared and shipped within 1 to 2 business days, with a tracking link.
  • Delivery in 8 to 25 business days to France and Europe, 15 to 30 days to French overseas territories and the rest of the world. Shipping info.
  • Tracked and insured shipping (loss, damage, theft): 9,95 €, free on orders over 99 €.
  • 30 days after delivery to change your mind: item not fitted, in its original packaging.
  • Tracking link sent by email as soon as your order ships. Shipping policy · Return policy

Universal rear diffuser — the sporty splitter that enhances the rear of your car

Give your car a racing edge with this universal rear diffuser with fins. Designed for tuning enthusiasts who want a more aggressive rear lower body panel, it provides an immediate visual signature without major modifications. It is often the final piece of a project: the one that, once installed, finally brings the whole look together and gives the rear the same intent as the front.

A design that energizes your car

The vertical fins and rear lip create a competition diffuser effect that stretches the lines toward the ground. Available in matte black, carbon fiber, and forged carbon fiber, it adapts to many body styles for a custom look. Matte black creates a sharp contrast with lighter colors; the carbon fiber finish reveals a weave that catches the light from every angle; forged carbon fiber is even more expressive, displaying the irregular flecks reserved for the most exclusive parts.

The effect is more profound than it appears: by breaking up the large, smooth surface of the lower bumper, this rear bumper diffuser creates a horizontal shadow that visually lowers the body and widens the vehicle's stance. This is the very principle behind competition lower body panels and appendages, concentrated in a single part.

Design, material & finish

Made from a rigid, lightweight material, this diffuser resists debris, light impacts, and the elements. The meticulous finish provides a premium look that instantly enhances the rear of the vehicle. The rigidity of the material allows for sharp edges and well-defined fins, whereas a part that is too flexible will sag and lose all its visual appeal after a few months.

  • Diffuser with vertical fins — the pronounced detailing of competition cars
  • Three finishes — matte black, carbon fiber, or forged carbon fiber, depending on the style of your project
  • Universal model — adaptable to many rear bumper shapes
  • Installation without major modifications — high-strength adhesive and fasteners, no bodywork cutouts
  • Visually lowered rear — a car that appears wider and more planted on its wheels

Installation, compatibility & durability

Universal model to be adapted to the shape of your rear bumper. Installation is done using high-strength adhesive and fasteners; careful fitting and installation, preferably by a professional, are recommended. Compatibility should be checked for your vehicle before installation. Plan for a dry fit, marking out with masking tape, and a complete degreasing of the contact area: this is what guarantees perfect alignment with the exhaust outlets and a long-lasting hold.

Does a universal diffuser really fit all cars?

The honest answer is: many, but not all without adjustment. A universal car rear diffuser is designed with a contact surface and length intended to cover the majority of bumpers, but the contour of each bumper remains unique. Depending on the vehicle, slight edge trimming, choosing a higher or lower position, or adding additional fasteners may be necessary. This is precisely what distinguishes a successful installation from a sloppy fit — and why we recommend measuring your bumper before ordering.

Why order your universal rear diffuser from Becquet Voiture?

Because rear styling has always been our specialty. Becquet Voiture selects its diffusers and bumper blades based on material rigidity, finish quality, and the true versatility of the template, with a complete catalog of spoilers, wings, and performance accessories, and support in French before and after purchase.

Enhance your car's style: order your universal rear diffuser today.

Type: Universal rear diffuser
Compatible make / model: Universal, depending on the model
Years: Depending on the version
Material: Depending on the finish (ABS / carbon fiber look)
Finish: Matte black, carbon fiber, or forged carbon fiber
Position: Rear
Installation: To be checked depending on the version
Condition: 100% New
Main function: Sporty lower rear body panel trim

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