Big bore engines are all about the flow, more air in and more air out, anything that slows that down, robs horsepower. The factory M8 intake manifold does a decent job in stock form, but starts getting in the way when trapped between 124ci and larger cyli
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Features & Benefits:-
* High-Flow, adds 3-5 hp
* Must have for big bore engines
* CNC Machined
* T6 heat treated cast aluminum
* Replaces stock, plastic manifold
* Includes new rubber seal
* Easy to Install<
or Street Glide & Road Glide 2024up
