Collection: Rear Diffuser
Add an aggressive rear-end upgrade to your Audi with our RS-style rear diffusers — available for Q5, A5, A4, A7, and more. The 2019–2021 SQ5 style rear diffuser for Audi Q5/SQ5 B9 is a bolt-on fit for S-Line bumpers with exhaust tips included, shipped from US stock. For the A5/S5, the 2020–2024 carbon fiber rear diffuser for Audi A5/S5 B9.5 integrates seamlessly with the factory tailpipe. Browse all Audi rear diffusers below.
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14% off Save $148.002019-2021 For Audi Q5/SQ5 B9 Rear Diffuser & Exhaust Tips | Bolt-On Fit for S-Line | Aerodynamic Upgrade | US Stock
Regular price $842.00Sale price $842.00 Regular price $990.00Unit price per -
14% off Save $173.002019-2025 For Audi Q5 B9 RSQ8-Style Rear Diffuser with Tailpipe | Aggressive Look | US Stock | Fast 3-7 Day Delivery
Regular price $982.00Sale price $982.00 Regular price $1,155.00Unit price per -
14% off Save $163.002020-2024 For Audi A5/S5 B9.5 Carbon Fiber Diffuser - Integrated Tailpipe | Seamless Fit
Regular price $926.00Sale price $926.00 Regular price $1,089.00Unit price per -
14% off Save $163.002019-2025 For Audi A7/S7 C8 Rear Diffuser | Fits No-Line/S-Line | RS7 Style with Exhaust Tips | Precise Fit & Sporty Styling
Regular price $926.00Sale price $926.00 Regular price $1,089.00Unit price per -
15% off Save $92.002017-2019 For Audi A4 B9 S-Line Rear Diffuser Conversion Kit | Upgrade to S5 Style | With Integrated Tailpipe | OEM-Grade Fit
Regular price $519.00Sale price $519.00 Regular price $611.00Unit price per -
2016-2018 For Audi A7/S7 C7.5 Carbon Diffuser w/ LED + Quad Tips | Direct Fit
Regular price $884.00Sale price $884.00 Regular priceUnit price per -
14% off Save $148.002017-2019 For A5 B9 S-Line Carbon Diffuser - Dual Exhaust+K-Light | US Stock
Regular price $842.00Sale price $842.00 Regular price $990.00Unit price per -
2020-2024 For Audi A5 S-Line S5 Rear Diffuser | Gloss Black & Carbon Look w/ LED & Quad Tipss
Regular price From $842.00Sale price From $842.00 Regular priceUnit price per -
2017-2019 For Audi A4 S4 B9 S-Line K-Style Rear Diffuser Lip + Black Exhaust Tips
Regular price From $421.00Sale price From $421.00 Regular priceUnit price per -
14% off Save $84.002017-2019 For Audi A5/S5 B9 S-Line K-Style Rear Diffuser - Black / Carbon Pattern + Exhaust Tips
Regular price From $477.00Sale price From $477.00 Regular price $561.00Unit price per -
2019-2025 For Audi A6/S6 C8 Carbon Fiber Rear Diffuser w/ LED+Quad Tips | Direct Fit
Regular price $884.00Sale price $884.00 Regular priceUnit price per -
2009-2012 For Audi A4/S4 B8 Carbon Fiber Rear Diffuser w/ LED+Quad Tips | Direct Fit
Regular price $842.00Sale price $842.00 Regular priceUnit price per
