Originally Posted by Dozer
What about FlowMaster American Thunder, anyone running those?
I think most of the guys here are running something other than flowmaster...not that they sound bad, I think they do sound good on mustangs, but it seems everyone has them on their car, so a lot of guys lean towards FRPP, Borla, Magnaflow, Pypes, MAC, etc.
12 Black GT500 SVT PP l VMP TVS l JLT123 l O/R X l 28x11.50Rx15 M/T Street R's l BMR Suspension l Recaros
03 Sonic Blue 3.8 / 17 Magnetic Fusion Sport 2.7 EB