does my car have a 2.5 or 3 inch cat?
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Junior Member
Joined: Feb 2009
Posts: 71
Likes: 0
From: Chesapeake
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
does my car have a 2.5 or 3 inch cat?
I am trying to order an exhaust system from flowmaster and they have one for a 2.5 inch and a 3 inch. it only has one cat. I do not know which one I have though. Would it make a difference on which one I bought? my car is a 91 RS 305. thank you!
Joined: Nov 2005
Posts: 2,346
Likes: 1
From: Naples, FL
Car: 91 RS Camaro, 75 L82 Corvette
Engine: LO3, 383 Stroker
Transmission: 700R4, TH400
Axle/Gears: 4th gen 3.23 posi/LS1 discs, stock
Re: does my car have a 2.5 or 3 inch cat?
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Last edited by krisb410; Feb 18, 2010 at 11:21 PM.
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