Ahh, with just some simple driving techniques, it is pretty easy to get 20% over epa rating.
A local muffler shop will offen weld up a muffler for a pretty reasonable rate, mine charges $45. Sounds like the geo will be down for a while, some of the best advice I recieved was to adjustthe nut behind the wheel. I have also had sucess with moumting a airdam on the front of the car(or under) 5-15%+ , bump up the tire pressure to 40+ lbs and slow down(adjust the nut behind the wheel).
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