voxac30dude ArboristSite Operative Joined Sep 25, 2009 Messages 361 Reaction score 18 Location maui,hawaii Jan 22, 2010 #1 im a noob to modding mufflers and i have no idea what porting is. what does it do?
blsnelling Goosme! AS Supporting Member. Joined Nov 8, 2006 Messages 53,727 Reaction score 33,305 Location Franklin, OH Jan 22, 2010 #2 LINK