i have a tanabe racing medallion muffler with 2.5" staight pipe and it ain't even close to that lol.. here's how mind sound.
http://www.youtube.com/watch?v=Hm2kaQJyOys
http://www.youtube.com/watch?v=Hm2kaQJyOys
Turbo install made possible thanks toTeamJ.D.M.officially 5SFTE junior member~*MuH NeW RiDe*~