MY02 WRX now with PPP and very happy i am with the upgrade, now ready to go to the next stage i.e more exhaust sections to replace.

Down pipe is an obvious one and Graham Goode does one with a sport cat for £399+VAT this will not bother my dealer (there words not mine).

I was wondering has anybody else fitted a sport cat on downpipe and whats there opinion, also what gains are to be had by replacing the long centre (resonator section)

Thanks in advance for any assistance.