Originally Posted by Izach26
Exactly, wait a little while to get a tune.
HF cats, ported throttle body, and intake is all you can do.
Im not one of those, should have gotten a V8 guys, but if you really want to enjoy and mod a 1/4 track car, then you need a V8, you are just so limited with what you have now.
FI adds a lot, the LFXs love it.