Empire Industries New quieter 2016 + Polaris XPT Turbo / Turbo S Slip-On Exhaust. Tig welded 304 stainless steel 1 into 2 construction with 6061 Aluminum silencers with billet end caps. 2-inch perforated core for added power over stock. Substantial weight savings over the stock system. Easy to mount with our 4-bolt mounting system. No fuel programmer is needed. Nice deep sound! Quiet core/ spark arrestor inserts are available.