Dodge//SRT continues to offer the ultimate in customization from the factory with the all-new Shakedown Package and iconic paint colors B5 Blue and Plum Crazy The all-new Shakedown Package is now available on Challenger R/T Shaker, R/T Plus Shaker and 392 HEMI® Scat Pack Shaker, adding a new Alpine audio system, white-face gauges on the instrument cluster and unique asymmetrical black racing exterior stripes – inspired by the 1971 Dodge Shakedown Challenger concept first shown at the 2016 SEMA show Originally debuting in 1969 and 1970, respectively, B5 Blue and Plum Crazy hues span several generations of muscle-car collectors and enthusiasts and have been signature Dodge muscle car colors ever since Iconic B5 Blue and Plum Crazy exterior paint colors available on all Charger models and Challenger T/A, T/A Plus and T/A 392 models (all other Challenger models late availability) March 8, 2018 , Auburn Hills, Mich. - Dodge//SRT answers enthusiast demand with a wide variety of mode