what muffler should I run??
#12
seems to be running fine. No misfires or vibrations that I have noticed. How do you check to see if your cat is plugged up?
#13
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unfortunately, the only way to see if they're broken is to check for codes or cut them off and look... if they're broken, you can take a rubber mallet and tap the outside casing very lightly. you'll hear a distinct rattle if the catalyst is shattered.
#15
I am pretty sure that it is 3" all the way back. I didn't change any of that just had the muffler shop put a high flow muffler on it to open it up a little more. Should I go back to the stock?
#16
I think that I got it figured out.. i ran Premium gas in it all weekend and the tank that I ran home on didn't have any ethonal in it. Got 15.46 MPG...Think that that maybe the Problem...Hopefully
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