2020-2024 For Audi A4 S4 B9.5 Audi S4 Style A4 Diffuser With Quad Tailpipe Exhaust Tips

Quick Specs and Highlights

• Rear Diffuser Type: Aggressive rear valance design with integrated diffuser strakes
• Material Spec: High-grade ABS plastic or carbon fiber (see title for spec)
• Tip Surround: Tailpipe openings sized for factory and aftermarket exhaust tips
• Bolt Pattern: Bolt-on using factory rear bumper mounting locations
• Parts List: 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

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

Vehicle Fitment and Compatibility

• ✅ Compatible: 2020-2024 Audi A4
• ❌ Incompatible: B6 (2001-2005) / B7 (2005-2008) / B8 (2009-2012) / B8.5 (2013-2016) / B9 (2017-2019)

💬 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 stock lower valance. Align diffuser tabs with bumper slots.
• Secure with included hardware. Verify exhaust tip centering.