Herrod Performance Unleashes New 5.0 GT Supercharger Upgrade
 

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Herrod Performance has been a big-time tuner for years in Australia. The new S550 mustang has only been with them a short time. However, they wasted no time getting the Mustang GT 5.0 fixed up with a Roush supercharger. The results of which are both surprising, and... surprising.

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