Has anyone done this with out cats? I just installed new o2's and I don't want to ruin them. If I was to use this stuff should I put the old sensors back in?

Thanks in advance, Cory


95 lt1 w/ CAI, shorty headers, full catback with no cat.

 

doesnt work, mine actually showed more hydrocarbons when i used it.

 

My car blew up when I did it... (not really). I have heard that it works but... my car failed 5 times and I did a bunch of different idea's... In Indiana after you fail 5 times you have to visit a "Referee" that tells you some pointers on how to fix your car. What a joke. Then you get to try that and then a vehicle only gets one waiver in it's entire lifetime...