Description
Power Plenum Extension for the Priest. Expand your (already large) Priest plenum even further! A convenient steel screw-on version that installs in a snap. No complicated adjustments—just plug-and-play. Because tuning should be fun, too. Fits all Priest versions! The Prophet already comes with this as standard... Smart plenum, plug-and-play. No difficult operation—just swap and use... Plenum Extension gives you an extra 22cc of regulated air volume. Total of 57cc of regulated air volume.