Its basically making a loop through the cooler, and being dumped right back in where it was when the filter was in there.
Instead of being pumped into the paper filter, its pumped into the in line of your oil cooler, and then is returned to the same place the oil filter drained into. In general terms, I'm sure Bob can shed some light on the specifics.
2009 OUTLAW 525 IRS.
41mm Carb with Transition Ring, Ceramic Coated Header, HMF Competition Series Pipe, Custom Full Intake, Polaris Bob Oil Cooler Adapter with Custom Cooler, Rath +3 A-arms, ALBA Anit-Vibe kit, 15 Tooth sprocket, Pure Polaris Nerfs, Pure Polaris Handguards, Pure Polaris Front Bumper, Fox Float Evol X Shocks (front), Fox Podium X Shocks (rear), PRM 6 pack rack, PRM Rear A-Arm Guards, Pit Posse Shifter, Daytona Digital Tach, G-Force Wheel Spacers, IRazr Radials, Thumper Racing crankcase vent, LM1 A/F Meter. 48.6 WHP, 37.53 Torque.