Don't think the engines are for speed more for when you loose a couple after the Gib police or RN start shooting a couple of engines off the back of your boat. Smuggling people was the thing to do a while back in Hong Kong. The smugglers started to put armour in the cockpit to stop incoming rounds from the Royal Hong Kong Police. The smugglers knew it was going to be a 20 stretch if they stopped so they didn't. The Police knew they wouldn't stop so took to using machine guns. Lives were cheap to the triads.
"Life in the fast lane?"