H HISS GT Founding Member Aug 8, 2001 104 0 0 Norfolk, VA Jan 8, 2004 #1 Jan 8, 2004 #1 This guy I work with said the previous owner of his stang took three of the four cats off and left the passenger side on because of emissions testing. I haven't looked under there but would there be a backpressure issue?
This guy I work with said the previous owner of his stang took three of the four cats off and left the passenger side on because of emissions testing. I haven't looked under there but would there be a backpressure issue?
