Quote:
Originally Posted by millenniumtree
I don't have a scanguage or anything like it, and I don't even have a tachometer!! My exhaust is shot to hell so it sounds like a harley - who needs a tachometer when anything over 2000rpm rattles your teeth? :P
... I obviously can't do a belly pan yet because most of the exhaust doesn't even reach the tailpipe right now. :P
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I may be wrong about this, but you should probably be prepared for a drop in MPG when you fix the exhaust. Even if it's a jagged, partial leak, the muffler handling the full system's load may be LESS efficient. Exhaust systems are good for the air and the ears, and bad for MPG.