header fit
Thread Starter
Junior Member
Joined: May 2005
Posts: 69
Likes: 0
From: southern calif.
Car: 91z28vert,3:42posi-rear,gu6
Engine: 305TPI
Transmission: T-5,pro5.0 shifter
header fit
can anyone tell me if a pair of hooker 2055`s will fit my z28,i have a stock 305 tpi with a single cat,i have a chance to buy a used set and need to know if they will fit my stock cat,also do i need any accesories for the install,like flanges or collectors,this would be my first exhuast work and need all help i can get,thanks,also anyone know what size tube ends are on stock z exhuast from factory are they 2 1/4 in dia.?the end that bolts up to the ypipe to the cat whats the inlet dia for stock pipe on a91 z28 with single cat?
Senior Member
Joined: Mar 2002
Posts: 755
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From: Newport News, Va
Car: 84 Z28
Engine: GMPP 350 HO
Transmission: 700R4 + Shift Kit
Axle/Gears: Auburn Posi; Richmond 3:73 Gears
They will fit your car as far as fitting your cat they wont. The outlet at the end of the y-pipe is a 3" slip fit. You can get 3" universal cats pretty cheap off eBay. You will have to modify your a/c bracket and you will have to make or rig something to hold you oil dipstick in place.
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Re: header fit
Originally posted by cuda69
the end that bolts up to the ypipe to the cat whats the inlet dia for stock pipe on a91 z28 with single cat?
the end that bolts up to the ypipe to the cat whats the inlet dia for stock pipe on a91 z28 with single cat?
Pretty sick, huh?
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