I went ahead and ordered the MACs with the high flow cat Y-pipe. I know there are flow differences but what can I expect in terms of hp and tq compared to the offroad setup? Thanks

Steve
01 WS6

 

I have the mac woth cts on my car. From what I was told by the people that put them on that theres not a huge power differance from the off road one and the one with cats. I got a good amount of torque from them though. More than I expected anyway

 

thanks...thats kinda what i figured, just was curious what others were seeing.

Steve
01 Ws6