M mustangfan36 New Member Oct 16, 2004 29 0 0 georgia Oct 22, 2004 #1 Oct 22, 2004 #1 how much horsepower can you get after installing a x pipe,and a set of 40 series flowmasters on a 2002 GT?
how much horsepower can you get after installing a x pipe,and a set of 40 series flowmasters on a 2002 GT?
J jasonlee0704 New Member Feb 3, 2004 219 0 0 Kansas City, MO Oct 23, 2004 #2 Oct 23, 2004 #2 Try reposting this on the 4.6 tech forums.
