![ECS Tuning Gloss Black Rear Diffuser - S4 B9 E86 2006 8N3 [1998-2006] Coupe Audi](https://cdn.shopify.com/s/files/1/0098/0094/1649/products/1_e9741c96-a42f-458d-9c2a-5abad8da0da9.jpg?v=1624107216)
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2006 8N3 [1998-2006] Coupe Audi TT 2005
The restrictive stock airbox and duct feed have been replaced with a highly efficient – fully sealed system with smooth transitions to allow the airflow to remain full and laminar
8T Gen3 Volkswagen Jetta VII GLI 2
0T EcoBoost (100/125/140PS) 2013-2017
Helps reduce carbon build-up on intake valves
ECS Tuning Gloss Black Rear Diffuser - S4 B9 E86 2006 8N3 [1998-2006] Coupe AudiUpgrade your exterior styling with the ECS Tuning Gloss Black Rear Diffuser for your pre facelift B9 S4. This diffuser was engineered and designed in house to add a more aggressive appearance to the rear of your vehicle that matches with the factory appeal of your Audi. An exclusive design only available through ECS Tuning, this rear diffuser will be sure to catch attention and turn heads. The diffuser is crafted of a UV stabilized ABS polymer to