WHITESTALLION84

is there a big diference in hp or performance when u remove the cats...i bought my car without the cats so i dont know how it will run with them, i know the sound is awesome without them....the thing i dont like is that the car smells like fumes too much and it sucks cause i dont have ac and in cali its either ac or having your windows down which means smelling like fumes

88BlueGT

Its a minimal gain.....

YamahaBound

define minimal?

91lxstang

if u go from a stock midpipe to an off road pipe than maybe 10 fwhp... and like 8 rwhp

88BlueGT

But the difference between for ex:

BBK Catted H Pipe and a BBK O/R H pipe would be very minimal... maybe a few HP.

OneFine89Mustang

its minimal gain also it is way better like you said. i know what you mean about the fumes i have my glasspacks dumped right begore my rear no cats talk about fumes but it isnt bad its a muscle car that stuff comes with the territory