Ephinany.
I recently purchased a set of the gloss Project 6gr wheel and have yet to have them installed.
I was debating on going with the Continental tires.
How do you like them and what size did you go with?
I had something similar happen to me when I had my 13 GT500 and I was running MPSS.
It happens to random people.
I'm not sure if this is what you're experiencing but, Google MPSS death wobble.
It's the same xpipe,the difference is that the R has no resonators and the GT350 does.
You have two choices:
(1) take the car to a muffler shop and have them remove the resonators and install a straight stainless section of pipe, usually costs around $100, give or take.
Or
(2) Purchase a...
That color mismatch is a problem that I've experienced before. My white 2013 GT500 had a discrepancy with the bumper color matching the body, it went from a white to a slight yellowish white. Before I purchased my Avalanche Gray, I went to a local dealer whom I worked out a msrp price for a...