Quote:

Flowmaster or Magnaflow on a bigblock with 509 cam?




I run the .509 with 3" duel Dynomax mufflers. Nice mellow sound at idle. But when you nail it..sounds like all hell broke loose!!

68 GTX Full street trim, solid lifter cammed. Best 11.34 @ 121 mph. 1.72 60 ft. (yeah I know.. my 60 ft. sucks)