I'm looking for some advise if anyone can help me. I want to get a deeper burble from the exhaust but don't want to re-map and was wondering whether to go for a Blitz or get a custom one built. I had one built for my MY03 sti cat back at a place called Power Performance near Norwich and had no probs with it and a great sound but i'm not sure if it will be the same results on the WR1 or if it will restrict it in any way.
Some guidance would be much appreciated on this. cheers guys
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