It's been weighed already IIRC. Only 1 lb more than stock which I don't think anyone will ever notice, not even on a dyno.

Only chance you'll get "noticable" (whatever that means) loss is going from a 1 lb UDP to a 6 lb DMD, but then your're losing the 20% underdrive and putting on 5 lbs of weight.

97 Contour SE MTX K&N 3530, UR UDP, 19# Injectors, mystery mod, FMS wires, Fordchip.com chip, SVT: TB, Flywheel, clutch, exhaust 04 Grand Caravan SXT