J jas142 Founding Member Feb 11, 2002 1,358 0 0 Dec 17, 2003 #1 Dec 17, 2003 #1 What size is the exhaust piping on a stock 2003 GT? I'm looking to get 1-chamber flows, but they only come in 2.5".. Is the stock size 2.5" also?
What size is the exhaust piping on a stock 2003 GT? I'm looking to get 1-chamber flows, but they only come in 2.5".. Is the stock size 2.5" also?
UA2k1GT Boned Founding Member Oct 11, 2001 2,634 0 0 Bham/HSV, AL Dec 17, 2003 #3 Dec 17, 2003 #3 any muffler shop can make the 2.5" mufflers work with the 2.25" stock piping.