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View Full Version : Punched Out Cat


01OldsAleroGt
08-23-2008, 12:35 AM
Hey.. gotta question.. I punched out my Cat Conv a few months back.. i already know its throwing the code.. but it was throwing it before i punched the cat. So i think its the O2 Sensor.. anyways... Will it sound too loud with the Pacesetter Cat back Exhaust

Nate's Alero
08-23-2008, 12:47 AM
OMG i thought you meant a real cat....wow...

01OldsAleroGt
08-23-2008, 12:55 AM
lmafo... i wouldn't do that

meadus101
08-23-2008, 02:12 AM
Put a High flow Catty back on.

01OldsAleroGt
08-23-2008, 02:18 AM
thanks

meadus101
08-23-2008, 02:32 AM
Well, if you don't. Ion's Gonna chew you out. lol. I'll spare the details, A regular cat doesn't do much less than a High flow cat, but the High Flow catty can't hurt.

Spilner521
08-23-2008, 01:30 PM
You're probably making less power will a hollow cat than having a cat on, plus you're polluting the air. And yes it'll be loud with an aftermarket exhaust and no cat.

01OldsAleroGt
08-23-2008, 02:27 PM
well.. i punched it out cause it was clogged.. and i don't have the cash just yet to get a high flow.

[ion] C2
08-23-2008, 02:47 PM
high flows are only like $50

-Alero-
08-23-2008, 02:58 PM
lower catalyst efficiency below threshold before and after? my guess is, if it was throwing it when you had cat on, somethign was wrong with the cat....i remember going through 3 in a 3 month period because something kept causing the cat to not filter, it was wierd