I have a 2003 cavalier and was wondering how much faster it would make it if i did a bigger throttle body,header, and catback exhaust i already have a rksport polished intake just wondering if i added those would i could expect? thanks
Moms & Dads talk to your kids,before its too late,tell them to say no to aluminum wings.
If your going to do a header and cat back its also a good idea to get a hi-flow cat that matches the pipe size.
All of that would prob take a few 1/10's of a second of a 1/4 mile run. All depending on your ehgine and so on.
You'll gain some high end power.
You will have a noticeable gain. Only way to say how much though is by dyno'ing your car.
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