1991 LB9 exhaust manifolds
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Joined: Jun 2000
Posts: 599
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From: Glenbeulah, WI
Car: 1988 Firbird
Engine: 406
Transmission: T-56
Axle/Gears: 4.10
1991 LB9 exhaust manifolds
A friend of mine just bought a 1991 LB9 205 HP 305 TPI with the single cat and 2-1/4" exhaust. Does this car have the same exhaust manifolds as the 230 HP duel cat LB9 cars? I have all of my stock 3" exhaust pieces that I will give him if he can bolt them up to his exhaust manifolds.
Joined: Mar 2000
Posts: 5,703
Likes: 132
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Nope, won't fit. Outlet angle is different as is the size.
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