pumpkin

I've been boosted for some time and I have 3.55 gearing (2020 A10). I'm looking to swap to a 3.15 in the near future and I was wondering what the procedure is after the install. My tuner said no tune revision would be needed but what else needs to be done? Does someone need to go in and...

$500.00 plus shipping Shelby takeoff purchase. This is the 3.73 factory diff option on PP. Only a few hundred miles on differential from time of removal for a shelby build. Never installed and only removed from original shipping crate to take photos for sale. It looks and is basically BRAND...

I have been experiencing rumbling & vibration between 50 & 70 mph, which kind of felt like the wheels were out of balance. After rebalancing them twice, the dealer even tried a different set of wheels & tires - no luck. They now believe that the drive shaft needs replacing - at 1100 miles...