momob009

i want to know has anyone ever use them because iam thinking of geting some to replace the rear cats i have flowmaster super 44 what will i get performance wise and will i notice a change in the sound thanks for any feed back

Aereon

I have the slp catted x, they come with high flow cats. high flow cats barely do anything tho=P

momob009

but are they better then stock i was looking at the pypes hi flows $120.00 for 2 i guess what i should say iam looking more for sound for my exhaust

Aereon

no they are not better than stock, if your gonna do that, save another 100 and get yourself a new midpipe.

jrherald420

+1

AJ06GT

Yeah, don't waste your money swapping your rear cats with high flows. Just get a new pipe that has high flows on it already. Replacing your rears with high flows might get you a grand total of 1-2 HP, if that.

momob009

butt will the high flows make my mufflers sound louder