CTS TURBO B9.5 AUDI A4/A5/Q5 45TFSI TEST PIPE (2021-2025)

This CTS Turbo test pipe is engineered specifically for B9.5 generation Audi A4, A5 and Q5 models equipped with the 45TFSI engine from 2021 through 2025. Precision mandrel-bent from high-grade stainless steel, this direct replacement component removes the restrictive factory catalytic converter to unlock improved exhaust flow and throttle response. Features CNC-machined flanges for accurate fitment and includes all necessary hardware for straightforward installation. Designed for track and off-road use only in accordance with Australian emissions regulations.