The only reason I would keep 20's over a set of nice 19's would be to clear the larger Brembo brakes...
Have you guys seen the weight that is projected for the factory 20's and 21's? (Around 35-40 lbs!!!)
They are by no means a high performance wheel which means I may have to go aftermarket to get the wheel weight I am looking for, or maybe a set of Z06 wheels...
For anyone who is serious about racing/tracking this car, a set of lighter weight wheels will be a necessity.
GTR: Get Transmission Replaced