Quote:
Originally Posted by kmarei
i've heard both mods
original mod sounds stock at idle, only sounds loud after about 3000rpm
ACM mode sounds loud at all rpm and will be easily noticed and drones big time
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+1..went with the original mod of removing only the large perf pipes..left the small pipe uncapped..easier to do..no drone..imo its more civil ..the straight pipe method is waaay loud.