catalytic converter question
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Junior Member
Joined: Jan 2010
Posts: 2
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From: PA
Car: 1987 Iroc-Z28 Camaro
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 3.23
catalytic converter question
I have to put a catalytic converter on my Iroc to pass emissions because mine is hollowed out from the previous owner. Unforchanetly I hear that the coverter will make the car quieter, is this true and if so by how much. I have a flowmaster on now and I love the sound I don't want to change a thing so i'm just trying to get a grip on what to expect. Thanks
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iTrader: (1)
Joined: Jun 2009
Posts: 263
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From: Pennslyvania
Car: 1984 camaro Z28
Engine: 355 SBC
Transmission: 700 r-4
Axle/Gears: Strange 3:73 posi
Re: catalytic converter question
it won't too much if you get a high flow cat . there are a couple different makers and from what i have read they are are pretty equal .
Junior Member
Joined: Oct 2006
Posts: 52
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From: S.California
Car: 1989 Pontiac Firebird
Engine: Multiport 2.8L V6
Transmission: 700r4 with Shiftkit
Axle/Gears: All Stock
Re: catalytic converter question
So that explains why my car is not as loud as before. makes sense now.
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