Tornado Air Management System TORNADO is a non-moving turbine shaped device, which creates a vortex or swirling effect to the engine. The result is improved air flow in the engine's combustion chamber, causing a more efficient mixture between air and fuel. Increases fuel efficiency Installs in minutes   Top Sellers   Part No. Description Dicsount Price   KI50 Tornado Air Insert: 2" Diameter x 1-1/2" $45.36   KI55 Tornado Air Insert: 2-3/16" Diameter x 1-1/2" $45.36   KI60 Tornado Air Insert: 2-3/8" Diameter x 1-1/2" $45.36   KI65 Tornado Air Insert: 2-1/2" Diameter x 1-1/2" $45.36   KI70 Tornado Air Insert: 2-3/4" Diameter x 1-1/2" $45.36   KI75 Tornado Air Insert: 3" Diameter x 1-1/2" $45.36   KI80 Tornado Air Insert: 3-1/8" Diameter x 1-1/2" $45.36   KI85 Tornado Air Insert: 3-3/8" Diameter x 1-1/2" $45.36   KI90 Tornado Air Insert: 3-5/8" Diameter x 1-1/2" $45.36   KI95 Tornado Air Insert: 3-3/4" Diameter x 1-1/2" $45.36

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