Johnny’s (NVASCRD) S550 Mustang is already a very capable street machine. Nevertheless, it will be on the receiving end of some significant upgrades that will be documented during this video. Have a look.

First and foremost, the Coyote engine is built by RPG and the twin turbo kit is a Hellion Sleeper package. This Hellion TT Kit is bottom mounted, making it very low profile. It also has a triple pump fuel supply system and oversize fuel injectors. After all, more air and more fuel are what makes a happy street sleeper. David will be adding a Motion Raceworks C02 turbo boost kit and an AMS 1000 performance tuner. The big rear tires are rubbing so a set of Steeda springs (and new spacers) will be used to raise the ride height slightly. Shifting duties are left to a 6R80 automatic transmission converted to a 4R200. Maximum output is estimated at 1,000whp. Not too shabby for a street car with all the factory trimmings.

Hope David can get all the upgrades done in this video.

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