S&S 55MM PERFORMANCE MANIFOLD FOR M8 FITMENT_SPORTSTER '04-'13 XL

'04-'13 XL

Configures a Communications Interface to allow you to:

Forbidden Motorcycles introduces their NEW OG Slims risers

and non-ABS versions available

Internal wheel bearing spacer is included

S&S 55MM PERFORMANCE MANIFOLD FOR M8 FITMENT_SPORTSTER '04-'13 XLS&S 55MM PERFORMANCE MANIFOLD FOR M8 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 124" and larger cylinders. The stock polymer unit is also less tolerant of the additional heat that a big bore engine can make at full noise. The solution is the new S&S high flow cast aluminum