exhaust problems
#1
exhaust problems
i have f250 7.3 . have 4" exhaust k/n air also super chip.i run open exhaust. will i get better fuel mileage with muffler or without. also will
it start better on cold morning.what will give me the best over all
proformance.
it start better on cold morning.what will give me the best over all
proformance.
Thread
Thread Starter
Forum
Replies
Last Post
Maverickman
Ford Mustang
3
01-01-2013 06:15 PM
irvin63
General Tech
2
03-12-2011 06:14 PM