Originally Posted by satishg

do'nt fix expansion chambers, 90% of these chambers will damage your engine in no time cause what they do is just shifting of power band,sound and looks !! no real performance gain to be frank.RX100 silencer is the best with the muffler restrictor plates removed on a RX35.

get a RXZ clutch cover, it comes with built in hole and retainer screw for the mechanical RPM .but make sure you get all the other stuff and also the cable .they are rare to find.