Change out Cats ASAP or Not?

bkosonen

Registered User
So I would rather not have cats but I have to. I will be doing full 2.5" mandrel system with Resonator and Borla mufflers. I really dont have the cash for Cats right now but what I want to know is are they as restrictive as the Resenater? If I have to change them, what are some cheap ones that flow well? Anything else you guys would change? would you do down pipes? Thanks for the help.
 
So I would rather not have cats but I have to. I will be doing full 2.5" mandrel system with Resonator and Borla mufflers. I really dont have the cash for Cats right now but what I want to know is are they as restrictive as the Resenater? If I have to change them, what are some cheap ones that flow well? Anything else you guys would change? would you do down pipes? Thanks for the help.

Right now do what you can afford, the MAIN restriction is from the Resonator.

Put the new resonator, duals and rear mufflers. You will not be disappointed.
Down pipes with or without Cats can come later.
When you do the down pipes, cats and/or porting the manifold plan money for new O2 sensors as well.
 
Back
Top