link1235jeff

Comp Polymers 5.0L Powerbox Upper Intake



The Powerbox is a direct replacement upper intake that bolts onto the stock 5.0L Mustang lower intake to produce a 20 horsepower increase at 4700 RPM on a stock engine! That means a broad power band that keeps pulling to the 6250 RPM rev limiter plus improves 1/4 mile E.T. by.3 seconds. And, according to dyno tests, Powerbox meets or exceeds the breathing ability of Ford's GT-40 intake at all points of the horsepower curve! Gain an additional 300 RPM's while dropping 16 pounds of engine weight. Constructed of indestructible, heat resistant composite material. Complete with all gaskets, vacuum fittings, bolts, hex key wrench, silicone sealant, instructions and instruction video

Your Price: $319.95


is this a good intake

StangTangGT

it doesnt have long intake runners so i bet you would lose some good torque on the bottom end.

stanglx2002

the edelbrock performer makes 37 more HP
the performer RPM makes 40 more HP

91LXstanger

yeah the box will hurt ur low end pretty bad. Thats a track only intake with a car making ALOT of hp.

StangTangGT

than stock intake? those numbers are more for a modded mustang than a stock one.

stanglx2002

its on the edelbrock website you can read for yourself

StangTangGT

i gaurantee if you buy one and put it on you wont get those numbers.

91LXstanger

Yes they are on the website, but the intake makes those numbers on an engine with decent heads and cam setup. On a stock engine or barely modded, it'll probably be more like 20hp. And all those dyno tests usually give their numbers ending at 6000rpm. And if its 37hp at 5500-6000rpm then on the street you wont feel 37hp cuz ur hardly ever at 6000rpm on the street. So you'll be feeling about 18-25hp on the street. IMO

StangTangGT

^^^^ i agree and i would still say 25 horses is pushing it.

link1235jeff

with the one up top or the peformr