So is everyone saying it is best to just leave the stock exhaust alone? I was just thinking of drilling my 07' muffler out with a 3/4" bit just for a little more sound. Will it burn the valves or heat up the engine or have any ill effect on the engine? I have read alot on this subject and some...
hey dude, ive been reading all about those motech risers and im wanting to do the mod too. Where did you buy them at? I sure would like to sit up a little more. Any info would help. Thanks, bdude