I do have the A2 installed, but the TC didn't come on at all from what I could tell. I was fish tailing back and forth violently. I was letting off the gas and trying to ease into it but that didnt work because everytime I touched the gas the tires would spin again. Now I have launched with the TC on and know what sounds it makes when it comes on and I dont recall hearing anything during these incidents. If it did come on then how in the world did I end up facing the other way surrounded by tire smoke when it was all said and done? Honestly if there wasn't a curb right there I probably could have been able to bring it the full way around. I stomped on the brakes to avoid the rear wheel clipping the curb. I'm sure the sprint booster plays a factor in the amount of throtle its putting down so fast, but that doesnt change the fact that the TC didnt correct this crazy tire spin. I am a rookie when it comes to rear wheel drive cars, so that also plays a factor I'm sure.