2013-2016 For Audi A4 S4 B8.5 S line diffuser with tailpipe

Quick Specs and Highlights

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

Product Overview

Transform the rear of your with this direct-fit rear diffuser. The replacement lower valance adds depth and visual width to the rear bumper while framing the exhaust tips with a motorsport-inspired surround design.

Key Features and Build Quality

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

Vehicle Fitment and Compatibility

• ✅ Compatible: 2013-2016 Audi A4
• ❌ Incompatible: B6 (2001-2005) / B7 (2005-2008) / B8 (2009-2012) / 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 stock lower valance. Align diffuser tabs with bumper slots.
• Secure with included hardware. Verify exhaust tip centering.