Downpipes and Catalytic Converters

MkIV 1.8T 2.5in Downpipe with Cat Converter For Golf IV,Jetta IV and Beetle and Audi TT w/ 55mm reduction

1.8T 2.5" Downpipe with large Hi Flow Cat Converter for Golf IV, Jetta IV and Turbo Beetle and also fits two wheel drive Audi TT. adds 8-12 Hp. Same as 251 234 but has a 55mm end to fit OE. type of exhaust.

Catalytic Converter Audi A4 1.8T and Passat 1.8T

1.8T 2.5" Downpipe with large Hi Flow Cat Converter for Golf IV, Jetta IV and Turbo Beetle and also fits two wheel drive Audi TT. adds adds 8-12 Hp. Same as 251 234 but has a 55mm end to fit OE. type of exhaust.