MBRP Oval Slip-On Exhaust -Polaris hit the ground running with this model, an all around great unit. MBRP has been able to unlock an extra 3 horsepower at the wheel, giving you enhanced throttle response, rich exhaust note and a system that requires no tuning. -Dyno proven power gains -No fuel programmer required -304 Stainless steel bodies -Not for SALE in California.