S&B Filters 76-2000 Particle Separator 14-18 Polaris RZR 1000, 2016 RZR Turbo Military-Grade Air Filtration Keeps The Air Filter In Your RZR XP 1000 Clean The S&B Particle Separator ejects 94% of the dirty air before it reaches your engine's airbox. This saves you time and money from constantly having to replace your air filter Clamp Diameter: 1.75 & Duct Length: 39 Multiple Mounting Positions. If you have a custom cage or roof, multiple clamp sizes and spacer kits are sold separately if needed to ensure a secure fit to your UTV