Although Dodge started few days ago to deliver its first 2008 Challengers, this didn’t stop Speedfactory to launch its tuning programmes for the new muscle car. In order to do this, Speedfactory offers six levels of tuning: three normally aspirated and three supercharged.

The first stage, normally aspirated offers a Speedfactory Cold Air Intake, a "Cat Back" Performance Exhaust, Speedfactory Stage 1 Tune , 20" staggered forged wheels, Speedfactory interior and exterior appointments and almost 500 hp. The second level offers CNC Matched Intake Manifold and Heads, Headers, 90mm Throttle Body, Speedfactory Cold Air Intake, "Cat Back" Performance Exhaust, Speedfactory Stage 2 Tune, 20" staggered forged wheels, Speedfactory interior and exterior appointments and 530 hp.

The third normally aspirated stage comes with Big block conversion to a 426 or 440 (depending on existing configuration), Stock motor is bored and stroked, New high performance racing parts including pistons, rods and crank, 20" staggered forged wheels, Speedfactory interior and exterior appointments and 600 hp.

For the first supercharged level, the vehicle comes Centrifugal Style Supercharger, Speedfactory Stage 1 Tune, 20" staggered forged wheels, Speedfactory interior and exterior appointments and 470 hp. The second level offers Centrifugal Style Supercharger, Custom boost configuration, Speedfactory Stage 2 Tune, 20" staggered forged wheels, Speedfactory interior and exterior appointments and 630 hp.

The last level comes with a Complete motor rebuild, New extreme performance racing components including billet crank, pistons and rods, Lowered compression, Custom boost configuration, Optional Big Bore Kit conversion to a 426 or 440 Supercharger (depending on existing configuration), Speedfactory interior and exterior appointments, 20" staggered forged wheels and an astonishing 800 hp. Now you decide what stage you want!