LS1TECH - View Single Post - How much HP will a 4" mufflex with Flowmaster muffler support?

mrsracing · 07-04-2009, 07:52 AM

I'm planning on going Mufflex but don't know whether Spintech, Flowmaster, etc? Interesting thread.

07-04-2009, 07:52 AM	#17
mrsracing Teching In Trader Rating: 1 Join Date: Jun 2008 Posts: 43	I'm planning on going Mufflex but don't know whether Spintech, Flowmaster, etc? Interesting thread.