900 HP SpeedFactory Challenger

This blacked-out 900 horsepower Challenger is a force to be reckoned with. It’s a 2009 “one-off” build SpeedFactory Challenger, powered by a 426 Hemi with forced induction through a Vortech V7 Ysi supercharger, passing through a Fat Cat Fabrication custom-built charge cooler. The charge cooler greatly increases the efficiency of the supercharger. This Challenger also has the new 6 speed manual transmission with a 3.92 rear gear ratio.  The wheels are Boze Forged “Shifter” style wheels riding on Mopar coil over suspension and Hotchkis sway bars.

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SpeedFactory custom-built charge cooler

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Vortech V7 Ysi supercharger

SpeedFactory High Volume Fuel System

SpeedFactory High Volume Fuel System

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Boze Forged "Shifter" style wheels

John's SpeedFactory Supercharged Chrysler 300

The 300 SRT8 is Chrysler’s hot-rod version of the 300 luxury sedan. Since the 300 SRT8 shares many LX/LC platform elements with the Charger and Challenger SRT8 models, our packages are a perfect fit for any 300C or 300 SRT8 models.

This Stage 3 Supercharged 300 SRT8 has the Vortech V3 supercharger, coil over suspension, larger sway bars, 355 gears with the new Powertrax differential, long tube headers, six piston 15″ front  and 4 piston 14″ rear brakes (drilled and slotted).

More Supercharged 300 SRT8 photos in the gallery.

The Vortech V3 supercharger is at the heart of the Stage 3 300C package.

The Vortech V3 supercharger is at the heart of the Stage 3 300C package.

SpeedFactory's Stage 3 supercharger package made John's 300 into his dream car.

SpeedFactory's Stage 3 supercharger package made John's 300 into his dream car.


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6 piston, 15" front brakes

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4 piston 14" rear brakes

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The SpeedFactory Stage 3 Supercharged 300 is a powerful yet elegant statment.

Supercharged Aluminum 440 SRT8 Challenger build photos

Here are a few build photos of our red Challenger research and development car. This car will be appearing in some upcoming media and events.

This car features a pre-production Mopar aluminum block motor, built to a 440, Vortech V3 Supercharger,  pre-production Mopar high torque  transmission, prototype BBS wheels and other enhancements that we’ll tell you about in upcoming blog posts.

(Click the photso to see larger versions)

Pre-production MOPAR all aluminum motor fresh from the crate.

SpeedFactory technician Donald installs the Moroso 11qt drag pack oil pan.

SpeedFactory technician Donald installs the Moroso 11qt drag pack oil pan.

Pre-production high torque Mopar transmission

Pre-production high torque Mopar transmission

Woodward Dream Cruise this Weekend!


The Woodward Dream Cruise is the world’s largest one-day celebration of classic car culture that attracts over 1 million visitors, and more than 40,000 muscle cars, street rods, custom, collector and special interest vehicles.

This year, the 15th annual Cruise is Saturday, August 15, 2009. It runs between 9 a.m. and 9 p.m.

The Dream Cruise takes place along a 16-mile stretch of legendary Woodward Avenue through the eight host communities of Berkley, Bloomfield Hills, Bloomfield Township, Ferndale, Huntington Woods, Pleasant Ridge, Pontiac and Royal Oak, in Southeast Michigan.

Look for the red SpeedFactory Challenger while you’re out cruising!

SpeedFactory at 2009 Mopar Nationals in Ohio

This weekend we’ll be at the 2009 Mopar Nationals in Columbus, OH. Come by and say hi! Our 426 Charger race car will be competing, so check out the action at the drag strip.

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