Awesome facility and friendly service. The guys at underground are knowledgeable and experienced. They are very courteous and honest...found an issue and they called me in to show me. I really appreciated that honesty especially with so many horror...
Read more...2017 Ford Mustang GT - Paxton Supercharged
Paxton Supercharger @ 8.5psi
ID1050x's
E85
Stock cats and catback
Stock Airbox
Stock motor
Stock Trans
642whp / 538tq