Around $100 I'd guess
No, warranty should be fine (you're actually saving wear!)
I like mine (Steeda) I noticed the car was a bit more 'willing', dyno showed about 7 RWHP
No, warranty should be fine (you're actually saving wear!)
I like mine (Steeda) I noticed the car was a bit more 'willing', dyno showed about 7 RWHP