Neither,ADRENLN said:magnaflow x or slp x pipe
both with cats.....

JonJon said:well since everyone is just randomly making crap up
i say go magnaflow

because i don't think people here really know which flows betterdkshadow said:
You win aJonJon said:because i don't think people here really know which flows better
it's all guesses
do i win the prize?
& a 


that i can agree withdecoy562 said:I said magnaflow simply because they are more proven for mustangs, where as the SLP products are new, I'm sure they are both better than the factory H-pipe.![]()