Exhaust..(Performance VS Sound)

[99StanGT]

MAC prochamber and 2 chamber flows

 

[BAFMustangGT]

MAC prochamber and 2 chamber flows

Someone knows what they are doing...

 

[kirkyg]

MAC prochamber and 2 chamber flows

Nothing i've heard sounds better...except maybe with long tubes but i've not yet heard it with a prochamber that has been cut shorter and welded in. Maybe someday i will go with that setup

kirkyg