Shearer pipes are suppose to make good power down low. But I read that they have some quality issues with their welds. Any performance pipe will perform better with more mods and porting. But doesn't mean that it wont work on a stock bike. Just gives you head room for later upgrades!
ok thanks! and about the shearer, is the only problem with it the silencer?
and the only upgrades im planing on getting is: exhaust,porting, vf3 reeds, and new tires, and maybe a few more little stuff