Boyesen reed valves

[BuilderFL]

Thinking of installing the Boyesen Reed Valve and wonder if they are really worth all they claim?

FASTER STARTS: No more sitting and cranking cranking when engine is cold or hot
SMOOTHER IDLE: No more coughing, sputtering and dying.
Blazing acceleration for that all-important holeshot.
More horsepower throughout the powerband for guaranteed performance.
Smoother Trolling: Troll down to a heartbeat with the controll of Boyesen Power Reeds
Improved engine efficiency and fuel economy. Up to a 10% increase
Longer Service life - Boyesen Power Reeds outlast all other aftermarket reeds.