MCS-558133 - SATIN BLACK; PREMIUM FORGED AND MACHINED ALUMINUM COVER; INTEGRATED CRANKCASE BREATHERS; HIGH-FLOW WASHABLE AND RE-USABLE K&N FILTER ELEMENT Fitment: 99-17 Twin Cam carb and EFI (excl. e-throttle and Magneti Marelli fuel...

MCS-558117 - Retains the stock air filter cover; making it a genuine sleeper set-up. Even better breathing through the included high-flow K&N air filter element. Incl. air cleaner backplate; complete with high-Flow K&N filter element and...

MCS-567678 - Chrome. Comes with a forged and machined aluminum cover. An integrated crankcase breather design eliminates the need for additional hoses and fittings. The back plate comes with a radiused inlet towards the intake for...

MCS-567665 - Chrome plated with a polished stainless steel screen. Velocity stacks are cool but wreak havoc in your engine during regular street use. The authentic looks of a velocity stack with excellent engine protection of a genuine...