How do "Performance Mods" effect a car's economy???
I accidentally stumbled upon this site and have become very intrigued with different ideas to improve my efficiency. I would like a car that can get good gas mileage but can still be pretty quick when needed. I would like to know if anybody has any insight as to how adding things like intake, headers, and/or exhaust to a car would impact its efficiency? Im looking to have a car make decent power while still maintaining the stock fuel injectors and fuel pump. Thanks in advance!
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