2008-2012 For Audi A4 S4 B8 Rear Diffuser With Tailpipe

Quick Specs and Highlights

• Diffuser Style: Aggressive rear valance design with integrated diffuser strakes
• Material: High-grade ABS plastic or carbon fiber (see title for spec)
• Exhaust Fit: Tailpipe openings sized for factory and aftermarket exhaust tips
• Install Method: Bolt-on using factory rear bumper mounting locations
• Kit Contents: Diffuser panel plus exhaust tip surrounds included

Product Overview

A direct-fit rear diffuser for the . The design eliminates the factory's plain lower valance in favor of a sculpted rear diffuser panel with integrated exhaust tip surrounds. The deeper lower profile visually drops the car's rear center of gravity.

Key Features and Build Quality

• ABS Durability: Constructed from automotive-grade plastic that handles exhaust heat and road conditions.
• Gloss Finish: Gloss black coating is UV-cured for resistance to sun exposure and car wash chemicals.
• OEM Bumper Fit: All mounting tabs align with factory rear bumper attachment points for a gap-free fit.
• Exhaust Integration: Exhaust tip openings are precision-cut to center factory or aftermarket tailpipes.

Vehicle Fitment and Compatibility

• ✅ Compatible: 2008-2012 Audi A4
• ❌ Incompatible: B6 (2001-2005) / B8 (2009-2012) / B8.5 (2013-2016) / B9 (2017-2019) / B9.5 (2020-2024)

💬 If you are unsure about product compatibility, please send your Vehicle Identification Number (VIN) or front and rear photos of your vehicle to us for verification.

Installation Notes

• Remove factory lower valance. Bolt new diffuser into factory mounting points.
• Check exhaust tip clearance before final tightening.