MENU Open menu www.alumitech.net Toggle search bar What can we help you find? Submit search CART Home About Us Alumitech's Airboats Alumitech Hulls Common Hull Upgrades Gallery Photos Videos Store Cooling Engine Drive Systems Exhaust Exhaust Muffler Hardware Header Header Aircraft Fuel Systems Gauges and Panels Propellers Sensenich Whirl Wind Seating Steering Throttle Parts Tubing Quote My Boat Contact Us Airboat Options Hulls Shop Shop All Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Common Hull Upgrades. Alumitech hull options and upgrades. Large drain holes in the transom. 4-Tab gussets. Flat hatch and drain. Flat hatch with drip rails. Rear gusset skirt. I-beam center brace. Long rake and navigation lights. Short rake and navigation lights. 6 inch walk boards. Complete walk around. 11 short t-bars. 11 full t-bars.