That is a Tri-5 manifold with single exhaust. The pipe crosses from the driver's side to the Pass side. Manifolds for the 3 '55,'56 & '57/'58 are each different.
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"At no time did we exceed 175 mph.”
Dan Gurney's truthful response to his and Brock Yate's winning of the first ever Cannonball Baker Sea-to-Shining Sea...
Still have my 1st Firebird
7th Firebird
57 Starchief
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