Pair of Exhaust Manifolds for 1965-1967 289 Hi-Po Mustangs.These manifolds are constructed from original cast iron for longevity and are precisely cast for an easy installation. These are original on 1965-1967 Mustangs with the K-Code Hi-Po 289 engine, but will fit all 1965-1973 small block Mustangs. 289 Hi-Po clutch linkage may be required on non-Hi-Po Mustangs with a manual transmission.
Includes exhaust manifold studs and nuts for a proper installation to the h-pipe. Exhaust manifold to head bolts are sold separately. Sold as a pair.
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will these work with GT- 40P heads?
They will probably not work with the different spark plug alignment for GT40P heads.
Date published: 2015-11-28
Will these work on an early 302? Also, will I have to modify the existing exhaust to make these work or will they bolt in?
will work with any small block 289/302 with deck height of 8.2'' and you will need the h pipe for 65/66 hipo 289 for proper fit, they need to make an h pipe for these manifolds on a 351w deck height of 9.5
Date published: 2015-05-23
are these made in the USA?
We get them from different sources, so some might be, some might not be.
Date published: 2015-09-23
I just had a dusk exhaust put in with the originsl exhaust manifold. Will these be a direct replacement? No bending?
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By Bill Tumas: We're here with cast iron exhaust manifolds for your '65-'73 Mustang. These cast iron exhaust manifolds are reproductions of the Hi-Po manifolds found on the '65-'67 K-code Mustangs. They will fit any '65-'73 with a small block. If you're running a non-Hi-Po motor with a 4-speed transmission, you will need the correct Hi-Po linkage to make everything fit properly. The kit comes with a pair of manifolds, and it comes with the studs that connect the manifold to your H pipe. They do not include the manifold bolts; you would have to purchase them separately. The flanges are all carefully machined to make installation as easy as possible. These cast iron Hi-Po exhaust manifolds are an excellent way to add a little horsepower to your early Mustang while still keeping that vintage look.