Home :: 99-04 Mustang GT :: Turbo Systems :: Hellion Power Systems

I have been doing a build for a 9 sec. Cobra and with every time I call or go online to order parts, they always come through in record time.

I emailed a question about a fuel system late during the weekend and expected a response the following business day. To my surprise the response was...

Customer service is top notch! jared, my 2007 GT500 with methanol Injection and the 2.6 pulley, JLT massive tube and filter netted a 529 rwhp and 515...

I've always experienced exceptional service from Lethal, but when I checked my email a few minutes ago, I was blown away. My order was confirmed...

Hey Jared & Matt. Just wanted to drop a line and say thanks for your help with everything on my first order. Your professionalism and knowledge of...