Flowmaster Muffler Comparison

Questions? Give us a call (707) 544-4761 Flowmaster Street Mufflers come with a choice of mild, moderate, or aggressive sound: View all of Flowmaster’s performance exhaust systems, mufflers, headers, cats, kits, and accessories: Description: A raw test of 7 different Flowmaster mufflers on one motor. The Motor: Small Block Chevy 406, 11:1 compression, Crane Solid Roller Camshaft, Brodix heads with - titanium valves, Eagle 4340 Crank, Eagle H beam Rod