I agree, this product useless. The energy spent in rotating the fan is of set by any gain this product may make.

Invest your money into a K&N or similar product which actually makes it easier to draw air into the engine.

E0
Silver Frost,
SVT # 4337
Built 12/24/97 !!!

ElKamelion HU, K&N, Momo aluminum Sphere shift knob, no reverse lockout!! Orion Cobalt Amp, 10" Sub