Constructed of 3" stainless steel, the USP high flow cat offers huge performance gains at an affordable price. The USP high flow cat replaces the restrictive factory catalytic converter with a high flow steel cat. You can expect horsepower gains of 8-12 horsepower at the wheels and even more on modified cars. The high flow cat is completely bolt on, requiring no cutting or welding. Installation hardware is also included.
Audi A4 B5 (96-2001) 1.8T (FWD)
Audi A4 B5 (96-2001) 1.8T (Quattro)
Audi A4 B6 (02-2005) 1.8T (FWD)
Audi A4 B6 (02-2005) 1.8T (Quattro)
Volkswagen Passat B5 (98-2005) 1.8T