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how much of a difference in gas milage would be affected if you change your car's exhaust?

Jul 13, 2009 by Richard | Posted in Maintenance & Repairs

also what makes the gas milage change? is it the size/length of the pipe? and would there be any change in fuel economy if you only change the exhaust tip?

please give me all the information you can, i'd be greatful. Thanks

Factory exhaust systems are highly restrictive and are built to keep emission low and noise low. Replacing your factory exhaust with a high flow exhaust system will actually increase your fuel economy and horsepower because your motor can breathe easier.

Kenny | Jul 13, 2009

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