custom exhaust on a 300 I-6
#1
03-13-2002, 05:47 PM
Join Date: Jan 2002
Location: Gloucester USA
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#2
03-17-2002, 12:26 PM
custom exhaust on a 300 I-6
I have a 90 f150 i want to put a clifford header and true duels with some short glaspacks of flowmasters. My truck had 2 cats but i took the one with one in and one out off it just has one my mechanic says you have to have one cat for the o2 sensor to work but if i get a header and all that will i have to have cat. I live in Kansas no emission laws so what ever i want to do. :-X23