The APR Rear Catback Exhaust System for your Audi B9 SQ5 introduces a deeper and more aggressive growl to your vehicle’s exhaust note. The system is a direct bolt on with your factory exhaust system or can be combined with the APR Midpipe Exhaust System for a more refined and more powerful full catback experience! Inspired by the larger center-pipe design of the higher-output RS4 and RS5 models, this system is engineered to boost performance and elevate sound. Crafted from premium materials and built with advanced manufacturing techniques, this system is will withstand harsh conditions and deliver lasting performance. Expect a bold, aggressive growl at wide-open throttle, along with a gain of 5 AWHP and 6 AWFT-LBS or an impressive gain of 10 AWHP and 12 AWFT-LBS when combined with the APR Midpipe Exhaust System!

Fits Audi SQ5 18-25

• Performance gains of 5 AWHP and 6 AWFT-LBS of torque on their own or 10 AWHP and 12 AWFT-LBS of torque when combined with the APR Midpipe System.
• Optimized flow through dual 2.75” midpipes to single 3.5” midpipe exiting through dual 3” downturns.
• Smooth transitions and straight-through components maximize performance by reducing restrictions.
• Mandrel-bent brushed piping paired with electropolished cast splitters for a refined finish.
• Precision brackets and slip clamps ensure accurate alignment and hassle-free installation.
• Premium T304 stainless steel construction with TIG welding for strength and durability.
• Strikes the perfect balance of power, sound, style, and quality for enthusiasts.
• Valve-controlled rear muffler dynamically adjust sound based on driving style.
• Integrated muffler minimizes drone and enhances sound quality.
• Plug-and-Play with APR Midpipe System or factory system.
• Fully emissions compliant for worry-free operation.