Quote:
Originally Posted by carringb
If I were you I'd put the cat back on. The engine is tuned for a mild amount of back-pressure. Without it, you are losing some low end torque. I suspect you will find the truck more responsive and will get better fuel economy with the cat installed.
I have the Banks muffler, and it makes a nice mellow burble without being intrusive.
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It's just not an option anymore... unless I purchased a new one.
I actually removed the Cat and changed the Y-pipe - and GAINED mpgs with a custom tune from my dyno guy, (Pete Johnson - Concord, NH) I've gained more and driveability and throttle response is A+.
Carring, are you running a gasser?
