CTS Turbo B5 Audi A4 1.8T Test Pipe

The CTS Turbo test pipe is engineered specifically for B5 Audi A4 1.8T models from 1996 through 2001. This direct replacement eliminates the factory catalytic converter to reduce exhaust backpressure and improve turbo spool characteristics. Precision-manufactured from high-grade materials, it offers a straightforward bolt-in installation using factory mounting points. Ideal for dedicated track applications or vehicles in regions where emission equipment removal is permitted. Delivers noticeably improved throttle response and enhanced exhaust note while supporting higher performance tuning objectives.