My passion for Jeeps started at a very young age. My father used to own a 1975 jeep cj6, with no back seat. It was in this jeep he took My mom, my brothers and myself to Florida and then to Texas, we camped all along the way. Those were and still are some of my favorite memories.
I bought my first jeep when I was 26, a 1989 Jeep Cherekoee (XJ) This jeep gave me my first taste of off-roading, My oldest daughter and wife soon caught the same bug for it as well.
A few years later my amazing wife surprised me on Fathers Day with my dream jeep. A 2011 Anniversary addtion Jeep Wrangler Unlimited (JKU) it was stock but it was mine, to build however I wanted. I started planning the build right away but an un expected and welcomed move from WA state back to New England  put it on hold. Fast forward a few years, I had started to get really into the idea of off roading, but had yet to find a group to wheel with. Finally I found friends who quicklyh became family. Slowly my wife and I began going to weekly events and trail rides. My jeep however was still stock. We then found Eric and Gillian at Off Road Elements i Abbington Mass. ( ) we called and booked:
3.5 inch Rock Krawler lift
Full belly Rock Hard skid plates
35 inch Nitto Trail Grapplers
After we got her back we were hooked on the building process so we went ahead and scheduled:
powder coated control arms
Rock Krawler tie rod
37 inch nittos
Trussed new axels front and back with e lockers
Yukon 5.13 gears
She drove like a dream and was even more impressive off road, But she still did not have a name. I have/had a lot of friends and family in Law Enforcement so I wanted to do a thin blue line theme, after some research I discoered a police term called The Black Mariah. Police used to transport prisioners in a black horse drawn carriage. In the 1820's there was a horse called the Black Mariah which was the inspiration behind the name for the horse drawn carriages, so now her name was found. All my accents had been powder coated blue, I always have my thin blue line grill and flag represeting my respect for our Law Enforcement. The president of GSO and our very close friend created her name decal for us. I got involved with Krawling for C.O.P.S. through conversation with the founder of the cause, which has developed into a friendship built off a common goal; raising money and awareness for fallen officers anf their families. Since my jeep has become so popular with the law enforcement community I have also paired up with ThinBlueLineUSA. I will be showing my jeep all across the USA over the next few summers. I will of course be at Krawling for C.O.P.S in PA each spring. If you are interested in having the Black Mariah and I at your event please e mail [email protected]

The nickname Mad Jeeper itself has stuck with me for a long time as it was created for me in hghschool, My friends used to refer to me as Mad Matt. 

Blogs, links, affiliates and giveaways updated often. Check back soon and I'll see you on the trails!


Dennis Okenquist

-Rock Krawler 3.5” lift
-SynergyMFG draglink, flip, tierod
-Poison Spyder Brawler Lite bumper, Rocker Knockers
-Morimoto Sealed7 HID headlights
-Aussie rear locker
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EMAIL: madjeeper207
Matthew M, Gilman