shorty headers
for a 318 build,, dont know if u have power steering or not,,and i don tknow if they will clear a power steering car,, theres been a lot of trial and fiting using the ram truck/dakota magnum exhaust manifolds,, they are said to flow as good as the 340 hypo manifolds and can be had cheap at the junk yards or on these forums,, there are a few years that have a bigger exit some are 2 1/2 some 2 1/4,, do a search on those manifolds under the early A section