Mercury Racing 450R Supercharged Outboard Testing on Midnight Express 43. A total beast!

The Mercury Racing 450R is now the most powerful and technologically advanced production performance outboard ever created. I experienced this monster of an outboard first-hand on a multitude of boats during testing on June 19, 2019. The 450R is the same weight as the current inline-6 400R, and possesses 40% more torque. You really feel it, too. The upper cowl dimensions are the same as the 300R. Acceleration is savagely brutal, yet running qualities are surgically fine-tuned. The exhaust note