CNC Machined T6 heat treated cast aluminum.
Capable of higher flow, which adds 3 to 5 horsepower.
Fits as a direct replacement that is better, stronger and a more heat resistant replacement than the stock plastic (polymer) manifold.
Especially above 124″ the stock manifold becomes a restrictive part.
This S&S performance manifold comes complete with a new rubber seal and is easy to install.
Fits:> 17-21 M8
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