Quote:
Originally Posted by RnmEvo9
Yeah, I actually found taking off the cowl and airbox more annoying.
The jb4 didn't affect my mpg, then again I was averaging 16-17mpg stock in the city to begin with.
Coming from a 13-15mpg E85 powered Evo, I don't mind though.
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I Agree with taking off the cowl and airbox was more annoying than the ECU harness.