Description
Transform the rear profile of your Audi B9 with the CAP Carbon Fiber Diffuser V1, designed for the 2017-2019 A4 S-Line and S4 models. Crafted from high-quality carbon fiber, this aggressive diffuser offers a race-inspired aesthetic while maintaining a refined, OEM-plus appearance that complements the Audi design language.
The V1 diffuser features integrated quad exhaust tip openings, making it an ideal upgrade for vehicles equipped with dual twin-tip exhaust systems. The carbon weave finish enhances the vehicle’s rear with a high-performance look, while maintaining lightweight durability and excellent resistance to heat and environmental exposure.
This diffuser is more than a visual enhancement — it adds aerodynamic balance to the rear of your vehicle and emphasizes the wide stance of the B9 chassis. Whether paired with a rear spoiler or a honeycomb grille upgrade, this diffuser is a must-have component for Audi enthusiasts looking to elevate the look of their vehicle.
Key Features:
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V1 Style Rear Diffuser – Specifically engineered for an aggressive, quad-exit exhaust appearance
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High-Quality Carbon Fiber – Lightweight and durable with a premium gloss finish
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Quad Exhaust Tip Openings – Designed to accommodate dual twin-tip exhaust setups
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Aerodynamic Enhancement – Enhances rear-end styling and performance presence
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Professional Installation Required – Rear bumper removal and self-tapping screws needed for proper fitment
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Integrated Brake Light Wiring – Red: live, Black: ground, Yellow: brake signal
Fitment:
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Audi A4 S-Line B9 (2017-2019)
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Audi S4 B9 (2017-2019)
Note: This diffuser is compatible only with B9 A4 models that have the S-Line package or are factory S4 models. It is not compatible with B9 A4 Non S-Line models.
Elevate your Audi’s rear design with the CAP Carbon Fiber Diffuser V1, combining aggressive styling with superior carbon craftsmanship.
