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I'm not trying to hijack a thread but if I am running a muffler that is a straight through would i possibly pick up more MPG's if I put the cat back on?
I'm not trying to hijack a thread but if I am running a muffler that is a straight through would i possibly pick up more MPG's if I put the cat back on?
maybe, but I'd do the aero install instead... you WILL get a mileage bump from it if you are running a striaght thru exhaust currently.