Three new Mopar 'Stage' upgrade kits for the Charger R/T will be unveiled at the Detroit Auto Show in the form of the Dodge Charger Redline, with a trio of models to be released later in the year incorporating the special Mopar stage kits. Compared to previous models and special editions the Mopar Charger looks very different with a more menacing stance, and finds some retro inspiration from the 1970 Charger.

Stage I goodies are primarily cosmetic, including a carbon-fiber chin spoiler, a three-piece rear ducktail spoiler, a black grille insert, vinyl roof wrap, carbon-fiber side scoops and R/T badging paying homage to the 1970 Dodge Charger. 20-inch Black Envy design alloys from the Mopar 2011 Charger painted pitch black with polished accents complete the exterior package. On the inside, aluminum bezels have been fitted on the shifter and instrument panel including a Redline perimeter accent; stainless-steel pedal covers are also included.

Special performance upgrades make up Stage II that squeeze out a bit more power, bolsters the braking and improves handling. A cat-back exhaust system improves the 5.7-liter Hemi V-8's power and gives it a throatier sound, a front strut-tower brace stiffens the chassis and improves handling, and high-performance brake pads attempt to deliver less fade during repeated stops. Stage III will have Mopar fans licking their chops. Replacing the Charger R/T's 370hp V8 with a 590hp, 7.0-liter Hemi V8 the high-output aluminum-block 426 crate engine pumps out 120hp more than the Charger SRT8's 6.4-liter.

Although it's been programmed to work seamlessly with the Charger's electronics, it hasn't been emissions-tested so unfortunately it's not street-legal. All three kits will be available independently but Dodge has yet to release pricing for the stages.