With what you have said, blackb15, 2.5" exhaust would be best for you! Welcome and do not forget to check out my signature, I have cardomain of my car with all the things I have done to her over the years. Enjoy your car!
Originally Posted by Shawn I would say that a high-flow cat is in the "fail" category of modifications.
No need whatsoever on a NA SR20DE motor. There are plenty of threads, with dyno's, that state unequivocably that deleting the cat entirely gives you one (1) or two (2) horsepower. That is the most HP you will get, tops.
Also, the other viable option to the OEM plug wires is located here:
I got a 3" test pipe from a friend for free.. I guess since I'm replacing my entire exhaust system in the next 6 months, I would be best off going with the free part, other than spending money on a new cat.. since I got it for free and the current exhaust system is rusted to hell...
hey the g20 ecu thing i found one for 125 (canadian) but money's tight so i dont want to spend it on that with out knowing what it does.. so. could somone explain?