Will the stainless exhaust "manifolds" out of an 89' Corvette fit in a 91' Rs 305 TBI?

 

no

 

Bummer

 

they have center outlets coming out right below the 2 center exaust ports. F-body outlets are at the rear of the block. If you want some better exaust without buying headers you can get TPI manifolds for almost nothing and bolt a SLP Y pipe to them for $165. Its a lot of work though. You might as well get headers. Some people don't want headers though, its up to you.

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-Tas
'89 Formula WS-6

305, TBI, 700R4, P.A.W. 14x3 open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips, Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248)
Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options