SILBER TURBO POLARIS RZR XP BIG TURBO UPGRADEFits: RZR Turbo S RZR Turbo Own a Polaris RZR XP Turbo but looking for more moxie from your UTV? We've got you covered. Our OEM replacement Big Turbo upgrade flows 17% more air, spools faster and lowers your overall charge temps through a more efficient turbo design. Coupled with our ECU tune (included), expect to see a minimum increase of 38% more raw power on the 2016 model and a 20% increase in 2017 19 models. The Silber Turbos Replacement