pav69
12-02-2011, 10:19 AM
ok guys if i run twin pipeson my zxr750 ,im thinking 2 into 1 down each side how much will this change the running of the bike ,will it need dyno time etc will i need a link pipe or not how big a pipe should i run up to the muffler ,do we have any exhaust gurus here we have everything else covered from what i can see cheers steve.