Cast Exhaust Manifolds (Approximately)

[Orange Crate]

Originally Posted by 4u2nv

I'm real close to buying this 350 with the rams on it , I don't know if they are aftermarket or not , do these give just as good of performance as headers ??

Basically no they are not better than headers, it depends on how the engine is built and how it is going to be used. I built mine for torque at low RPM. The 2.5" outlet manifolds are decent below about 4500.