Thread: Just got a GTP, have a few questions for the experts

Originally Posted by LSXHP

I didnt think it was touching anything.....but if it takes some cinvincing to get the bottom of the car to move then so be it lol Now what if I add a high flow cat or another resinator like a straight through one that wont obstruct exhaust flow, think that would quiet her down?

If you still have the stock resonator then there isn't much you can add but a cat...but if you do that there is still a chance that it will throw a code too as the PCM sometimes won't recognize a high flow converter.