Feb 14, 2006 #1 5 5ltretr Member Joined Jul 1, 2003 Messages 873 any big difference in loudness going to 2.75 or 3 duals? i need to replace my 2.5 asap! thxs!
Feb 14, 2006 #2 M Mike Licht I was here first Joined May 23, 2001 Messages 4,642 bigger pipes = louder Bigger mufflers (case size) = quieter Mike