DBR, Inc.

Check out  dyno testing of the final calibration process for the Mercury 300 XS 1.1. View video full size in media section. Click You Tube Logo

DBR and NHR have collaborated on very much needed 300xs alien style cowling. 
We all have seen Adam McKeon's video of the 300xs sucking water at speed. It is awesome to officially include Adam and to have him be the first to test on the water the new cowling that cures the problem his video made famous. This new cowling opens up the potential for engine upgrades as more CFM of air can be rammed into engine. Cowlings are available in carbon fiber or fiberglass. Uses stock mounting hardware. Installation is easy and removes at least 10 lb. of weight off the engine.