High flow cat


Active member
It's what you need. You will still be making 10-15hp more than standard with this restrictor plate and your other mods. It will be beneficial for you and help your car stay in the safe zone.
Yeah the main thing is to keep the engine in one piece and running healthy, I'm not chasing power (yet).


Well-known member
Terry, if you give me your address you can have this one. It worked on my standard twin turbo to keep the boost down on a oem ecu.

Needs to be today though as back to work.