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I have 2 Gen 5 ZX10Rs...Recently someone posted asking about performance differences between the cat delete pipes and a full exhaust system.. just wanted to show my particular graph from Nels at 2WheelDynoWorks showing the difference we've seen between the bike with a 3/4 Yoshimura Alpha Cat delete vs a full Hindle race exhaust system. The line in Red is the Hindle and clearly makes more HP and torque between 6-8500 rpms, up to 7 more Hp, and 4+ Torque after that the lines are almost exact up to 192 RWHP. That midrange is noticeable on the street. On the track, It may or may not be as noticable pending how often the RPMs fall into that range of course. I know all pipes and tunes are a little different but just wanted to show this for those curious...We are getting ready to test and tune for the Chuck Graves pipes available for the Gen 5 so I will keep you posted after we get and test the pipes from Chuck...Have a good one ! Mike
