2003-04 Mach 1 Registry Owners Club - View Single Post - 99- 04 Mustang gt/mach 1 slp lm1 $375 shipped

go2sleep · 01-11-2013, 10:24 PM

I have longtubes with a off road prochamber, it's pretty tame at idle, but screams at wot

01-11-2013, 10:24 PM	#3
go2sleep Registered User Join Date: Jul 2011 Location: South Elgin, IL Posts: 24	Re: 99- 04 Mustang gt/mach 1 slp lm1 $375 shipped I have longtubes with a off road prochamber, it's pretty tame at idle, but screams at wot