any straight swap headers for dual cat stock y pipe??
02-05-2011, 08:13 PM
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Car: 80,81,85, trans am
Engine: 4.9,301turbo,350
Transmission: all auto
Axle/Gears: 308,342,308
any straight swap headers for dual cat stock y pipe??
i have the dual cat y pipe. 350 car. anyone make a header that can use this direct swap? 89 firebird.
02-05-2011, 08:32 PM
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Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: any straight swap headers for dual cat stock y pipe??
There's several threads right here within 10 of this one talking about dual cat headers - 
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02-10-2011, 09:57 PM
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Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: any straight swap headers for dual cat stock y pipe??
I am almost positive that they don't make one. There will be fabrication involved. Usually cutting and welding to the dual ypipe if you choose to keep it. Much easier to buy a ypipe that is a direct match for your headers.
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