Cam(s)-if you have the DOHC, heads & valvetrain= biggest gains most likely, and tune......and headers if those weren't included in exhaust.
More power = Less MPG... usually
Cam(s)-if you have the DOHC, heads & valvetrain= biggest gains most likely, and tune......and headers if those weren't included in exhaust.
More power = Less MPG... usually
2007 Civic FA1 and 2005 Yukon XL Denali
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