Exhaust Port Divider for all 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972 and 1973 Mustangs with 6-Cylinder Engines.Smooths out air flow between #3 and #4 exhaust ports. Can be used with standard exhaust manifold and headers. Produces up to a 10% gain in horsepower.
This component was very easy to install. I would suggest if you are changing the manifolc gasket You might as well install it at the same time . I found there was an improvement in performance.TrentTrent Styles
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