If you want to keep a low profile and flow numbers are of non-importance; this C4 series air cleaner may not be for you. It sports a ground-breaking appearance with weight savings & true performance gains; all in a beautifully sculpted ultra lightweight carbon fiber shell with a forward-facing reverse cone filter element. Designed to let your motor take an unrestricted breath with unparalleled style. - UV Resistant carbon fiber construction - CNC machined billet aluminum end cap - Reverse cone filter element - Stamped aluminum logo badge - Gloss carbon fiber with Black Ops finish. Note: On a stock 2024 FLTRX 117 with stock tune & exhaust a performance gain of +6.5HP & +5.6 Ft/lbs. torque were realized. The C4 air cleaner is a perfect match for future performance upgrades.