2017-2019 For Audi A3 S3 8V.5 S line rear diffuser and large dual tailpipe

Quick Specs and Highlights

• Diffuser Profile: Aggressive rear valance design with integrated diffuser strakes
• Plastic Grade: High-grade ABS plastic or carbon fiber (see title for spec)
• Outlet Design: Tailpipe openings sized for factory and aftermarket exhaust tips
• Fit Method: Bolt-on using factory rear bumper mounting locations
• Components: Diffuser panel plus exhaust tip surrounds included

Product Overview

This bolt-on rear diffuser replaces the factory rear bumper lower trim on the . The aggressive styling includes finned diffuser strakes and enlarged exhaust tip openings that give the rear end a wider, more athletic stance.

Key Features and Build Quality

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

Vehicle Fitment and Compatibility

• ✅ Compatible: 2017-2019 Audi A3
• ❌ Incompatible: 8P/8PA (2003-2012) / 8V (2013-2020) / 8Y (2021-2024)

💬 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

• Unbolt factory lower trim. Position diffuser and fasten at all points.
• Ensure even panel gap along the full bumper-diffuser seam.