4th gen y pipes
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Joined: Jun 2011
Posts: 939
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From: Detroit, MI
Car: 1987 IROC-Z red t-top
Engine: Nothing much
Transmission: I wish t56
Axle/Gears: 9bolt 3.27 4sale
4th gen y pipes
talking about LT motors
i wanna run dual cut outs can i use aftermarket 4th gen y or H pipe im not tring to run true dual will it bolt up how bad is it
i wanna run dual cut outs can i use aftermarket 4th gen y or H pipe im not tring to run true dual will it bolt up how bad is it
Senior Member
Joined: Feb 2009
Posts: 885
Likes: 0
From: USA
Car: 1989 SS
Engine: LT1+1500$ hooker exhaust
Transmission: T56
Axle/Gears: 3.42 bogger
Re: 4th gen y pipes
I'm running the stock lt manifolds on my lt1 and stock ypipe into a 3inch Catback 80series from my 95 Firebird donor car. It can be done, but not with 4th gen headers and ypipe.
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