I have a 4 channel rear currently, abs and asr which is half the reason I want it lol

Then you are good to go.

PM sent

I would have grabbed this, but I'm non TCS. I just read the fun you have to go through to convert from a 4 to a 3 and I'll pass :)

Almost tempted to grab this with an eye toward going M6 someday

Abs sucks in these cars. I prefer to pull the fuse on then anyways.
I might just buy it and split it up and double my money.

Sold thanks guys