MotorTrend FAST TV

An Ekstensive favorite, a 2001 Hummer H1, needs some serious reinforcements; Bill changes things up on his completely custom, all-tube buggy by borrowing technology from monster trucks; Bill puts his daughter to work customizing her 2020 Challenger.

The guys take four of the most popular street-style, dual-plane intake manifolds on the market and strap them to the test mule; they reveal how much power the hood clearance issue costs on a Mustang.

Fred arrives at Mawdco, an off-road junkyard in Idaho, where Dave has picked a surprise project.