Originally Posted by Terry S
Run a cat regardless. MTO loves modified cars. Why risk a huge fine OR give them a reason to look deeper into what mods you have.

Solomon has the right idea here. vband a cat in your exhaust while street driving and swap it out when you are at the track.


+1 i have 3 inch Cali approved cat (not magnaflow) and still a huge improvement over factory setup. For streets works really well for me.

1996 Eagle Talon TSi AWD
1999 Eclipse GST Automagic
1991 3000GT VR-4