MAC pro-chamber Vs. BBK X-pipe

[89_Cobra]

which is better with bbk equal length shorties. I also wanna run afull 3in. exaust

 

[MNDZA]

Try posting this in the technical forums and I bet you'll get more help there.

 

[MurdockSVT]

I believe the mac is the better of the two, and you will also lose hp if you are naturally aspirated with the 3 inch exhaust.