Helix 19" Turn Out Slip-On Exhaust Helix Racing Products was founded in 1993 with the mission to provide excellent service, support and satisfaction to the powersports industry. They ride and talk with individuals, franchises, and independent dealers constantly in order to find the products the enthusiast needs. Please ride safe and have fun! 19" chrome. Left or right. Fits 1-3/8" through 1-3/4".