2006 Pontiac GTO - 408 Iron Block and 4L80E

Perry and Brandon operate an awesome shop, they can handle everything from a full on Road Race car conversion to topping off your A/C and they do it all with professionalism, proficiency, and a politeness rarely seen in the automotive service industry...

Perry and Brandon are flat out awesome! Great work, great prices, great customer service!!! They've seen my Jeep TJ a few times and have done great work. They are a very well rounded shop! They work on modern sports cars, old classics, trucks, and...

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...

Brandon and Perry, I've been meaning to send this out sooner, but have been very busy with both work and a recent trip. I wanted to thank you guys again for getting my Miata transitioned from "storage" to "track-ready" so quickly a couple weeks ago....

I brought my c4 in for a major oil leak which involved removing the S/C , water pump and the balancer which is a major task on these cars. This shop is extremely professional and polite and they did the work perfectly. Not a drop of oil anywhere 4...