Boyesen Power Reed Trial Scorpa Sy250 01-09 C-Frame Polisport's airboxes are produced with

Polisport's airboxes are produced with our exclusive technology - DGP (durable gloss propylene) - the reason our parts are more resistant and durable than the stock ones

FE 450 24-

Extras - Padded

This product is strategically designed to fit all EVS race collars and most neck braces

Buckle system--The SG-12 utilizes four lightweight alloy buckles that attach to an adjustable strap

Boyesen Power Reed Trial Scorpa Sy250 01-09 C-Frame Polisport's airboxes are produced withOne reed petal is NOT enough! Boyesen's revolutionary dual stage reed design delivers more usable power than stock. Stock single stage reeds operate most effectively within a relatively narrow RPM range and are limited because of the single stage design. Boyesen's one soft reed on top of one firm flow through reed gives you a wide range of intake control, plus increased intake velocity. Your original reeds can't possibly duplicate that performance.