Almost any modification will loose abit of low torque, but thats ok because im in need for more high rpm bhp.

The cat seems to be the same section as the downpipe as OE. Does an aftermarket downpipe have a flange fitting?
 
Almost any modification will loose abit of low torque, but thats ok because im in need for more high rpm bhp.

The cat seems to be the same section as the downpipe as OE. Does an aftermarket downpipe have a flange fitting?

should have bought a 16v then:rolleyes: