- Stock #049995 - Sonic 33 RS with Many Upgrades! Powerboat magazine called Sonic" boatings best kept secret". This Sonic 33 RS employs a user-friendly layout,with the emphasis on comfort, accessibility, usable space, and overall driver and passenger enjoyment. This Sonic 33 RS is a very rare find. Cruises at around 40 mph and maxes out around 70+ mph. Over $20,000 in recent upgrades... New risers New manifolds New mufflers New hoses New water pumps New Gauges New battery charger Reupholstered seating This Sonic RS has a spacious cabin with room to sleep two. We are looking for peopl... read more