CTS Resonator Delete Kit – B9/B9.5 Audi A4/A5/Allroad

The CTS Turbo Resonator Delete Kit transforms the exhaust character of B9 and B9.5 generation Audi A4, A5 and Allroad models by eliminating the factory mid-pipe resonator. Engineered as a direct replacement component, this kit reduces exhaust flow restrictions while delivering a more pronounced and engaging exhaust note. Constructed from quality materials with precision-formed piping, the system integrates seamlessly into the factory exhaust layout. Ideal for workshop installations seeking to enhance the driving experience without requiring extensive modification or tuning adjustments.