APR CBK0057 Rear Cat-Back Exhaust System for Audi SQ5 B9

The APR CBK0057 Rear Cat-Back Exhaust System transforms the Audi SQ5 (B9) with a perfectly balanced upgrade that delivers enhanced performance, refined sound, and premium quality. Engineered specifically for enthusiasts seeking a sophisticated exhaust note without excessive drone, this system integrates seamlessly with either the factory exhaust or APR's midpipe system.

Key Features:

• Premium T304 stainless steel construction with precision TIG welding for superior strength and corrosion resistance
• Valve-controlled rear muffler dynamically adjusts exhaust note based on driving mode and throttle input
• Integrated muffler design minimizes cabin drone while enhancing sound quality during spirited driving
• Mandrel-bent brushed piping paired with electropolished cast splitters for a refined, premium appearance
• Optimized flow path: dual 2.75" midpipes merge to single 3.5" midpipe, exiting through dual 3" downturns
• Smooth transitions and straight-through design reduce exhaust restrictions for improved flow and performance
• Precision-engineered brackets and slip clamps ensure accurate alignment and straightforward installation
• Fully emissions compliant for worry-free daily driving and legal operation
• Plug-and-play compatibility with factory exhaust system or APR midpipe upgrades

This cat-back system represents APR's commitment to delivering exhaust solutions that strike the perfect balance between performance gains, sophisticated sound character, visual appeal, and long-term durability. The valve-controlled design allows drivers to enjoy a refined tone during casual driving while unleashing a more aggressive note when desired.