Hennessey Performance Engineering

Platinum business top-notch, hands-down, 100% the best! My experience has been dreamy. I highly recommend going with Hennessey performance. Everyone there is helpful and knowledgeable. They treat...

I chose Hennessey to do a 1000hp upgrade on my hellcat, even though its just aftermarket parts bolted on i felt like the extra money was worth it at the time for the name and the Warranty they...

Experienced nothing but professionalism and quality from my modifications from them. I'll gladly take another vehicle to them again.

Brought one of my rides here to get some work done and am amazed of how quick they got it done for what I needed! Will keep bringing my business to John!

Hennessey is a fraud and rips people off. He's been doing it for years. Look it up. Their vehicles are student built with the cheapest parts they can get. They also lie about the horsepower made....