2017-2019 Audi A5/S5 — KB Style Rear Diffuser
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2017-2019 Audi A5/S5 — KB Style Rear Diffuser

2017-2019 Audi A5/S5 — KB Style Rear Diffuser

Select Finish
From $392.00
2017-2019 Audi A5/S5 — KB Style Rear Diffuser
$392.00

The Story

Upgrade the rear of your 2017-2019 Audi A5 / S5 with this KB Rear Diffuser. Crafted from high-quality ABS plastic and primer-ready, this aggressive rear diffuser adds a motorsport-inspired look and enhances the rear fascia with a sporty, structured finish.

What's Included:

  • KB Style Rear Diffuser (primer-ready or carbon hydrodip)
  • Mounting hardware & hardware kit

Key Features:

  • Material: High-quality ABS plastic — primer-ready, paint to match or custom finish
  • Designed for 2017-2019 Audi A5 / S5 using factory mounting points; may require fitment and trimming adjustments based on vehicle trim options — professional installation recommended
  • Bolt-on installation — no cutting of the factory bumper required for standard fitment

Fitment: 2017-2019 Audi A5 / S5 — B9. Coupe and Sportback body styles. Fits A5 and S5 models — not compatible with RS5.

The Carbon Fiber variant features a premium hydrographic carbon fiber finish (hydrodipped), pre-applied over ABS plastic — no painting required.

Production & Lead Time: These rear diffusers are custom-manufactured to order. Please allow 1–2 weeks for production before your order ships. Orders cannot be modified or cancelled once production has begun.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 3

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 4

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 5

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 6

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 7

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

2017-2019 Audi A5/S5 — KB Style Rear Diffuser - Image 8

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

Upgrade the rear of your 2017-2019 Audi A5 / S5 with this KB Rear Diffuser. Crafted from high-quality ABS plastic and primer-ready, this aggressive rear diffuser adds a motorsport-inspired look and enhances the rear fascia with a sporty, structured finish.

What's Included:

  • KB Style Rear Diffuser (primer-ready or carbon hydrodip)
  • Mounting hardware & hardware kit

Key Features:

  • Material: High-quality ABS plastic — primer-ready, paint to match or custom finish
  • Designed for 2017-2019 Audi A5 / S5 using factory mounting points; may require fitment and trimming adjustments based on vehicle trim options — professional installation recommended
  • Bolt-on installation — no cutting of the factory bumper required for standard fitment

Fitment: 2017-2019 Audi A5 / S5 — B9. Coupe and Sportback body styles. Fits A5 and S5 models — not compatible with RS5.

The Carbon Fiber variant features a premium hydrographic carbon fiber finish (hydrodipped), pre-applied over ABS plastic — no painting required.

Production & Lead Time: These rear diffusers are custom-manufactured to order. Please allow 1–2 weeks for production before your order ships. Orders cannot be modified or cancelled once production has begun.

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