Flowmaster Catbacks
My stupid friend with a Mustang just swapped out his BBK for a Flowmaster, and he doesn't believe me when I tell him that the flowmaster is chokin him. He even told me he got a "decent power increase" out of it

Help please... thanks guys
It's the crossflow 80 series mufflers that the F-bodies get the don't flow very well...
Trending Topics
The Best V8 Stories One Small Block at Time
they may suck for fbody's but they are not bad at all on stangs...nothing truely wronge with your friends swap. i bet the flowmasters sound much better on his stang..
John
John
John








