absolutely. ubend and resonator delete will also help. -weight, -backpressure, + mpg, + horsepower, + sound
Resonator delete does NOTHING. A resonator is straight through and offers no restriction. All deleting the resonator will do is make the exhaust sound raspy and like crap.
Also backpressure is a myth.
2011 Mitsubishi Lancer GTS - DD mode
1991 Mitsubishi 3000GT - Many mods to come