XP1K

UTVUnderground.com Presents: RJ Anderson’s XP1K4

UTVUnderground Presents: RJ Anderson’s XP1K4 Follow RJ Anderson: https://www.facebook.com/therj37 https://www.twitter.com/therj37 https://www.instagram.com/therj37 Follow Polaris RZR: https://www.facebook.com/polarisrzr https://www.twitter.com/polarisrzr https://www.instagram.com/polarisrzr Be sure to subscribe to this channel and LIKE our Facebook page! https://www.youtube.com/utvunderground https://www.facebook.com/utvunderground https://www.twitter.com/utvunderground https://www.instagram.com/utvunderground ©2017 ALL RIGHTS RESERVED // A UTVUNDERGROUND PRODUCTION Adult models – 16 and older. Be sure to get safety training. The vehicle […]


RJ Anderson XP1K4: 2017 Polaris RZR XP Turbo REVEAL

RJ’s RZR is far from anything else we have ever built for him. The single center seat design gives him perfect weight distribution for hitting all the stunts! Stay tuned to UTVUnderground.com for a future feature vehicle story where we will elaborate more on the build. Follow RJ Anderson: https://www.facebook.com/therj37 https://www.twitter.com/therj37 https://www.instagram.com/therj37 Follow Polaris RZR: […]


RJ Anderson’s XP1K4: The Wall Of Death BTS

The wall of death returns…. Follow RJ Anderson: https://www.facebook.com/therj37 https://www.twitter.com/therj37 https://www.instagram.com/therj37 Follow Polaris RZR: https://www.facebook.com/polarisrzr https://www.twitter.com/polarisrzr https://www.instagram.com/polarisrzr Be sure to subscribe to this channel and LIKE our Facebook page! https://www.facebook.com/utvunderground https://www.twitter.com/utvunderground https://www.instagram.com/utvunderground ©2017 ALL RIGHTS RESERVED // A UTVUNDERGROUND PRODUCTION Adult models – 16 and older. Be sure to get safety training. The vehicle displayed […]


RJ Anderson’s XP1K4 – Inside The Minds Eye

In this emotionally riveting clip, RJ Anderson explains what goes through his mind when he prepares for and executes the stunts featured in #XP1K4. See exclusive sneak peak footage and hear RJ talk about overcoming the fear of attempting the litany of new and exciting tricks in the 4th chapter of the XP1K franchise. This […]


RJ Anderson’s XP1K4 Video Teaser

RJ Anderson, UTVUnderground.com, Polaris RZR and Mad Media are back. XP1K4 is coming….. January 2017 Follow RJ Anderson: https://www.facebook.com/therj37 https://www.twitter.com/therj37 https://www.instagram.com/therj37 Follow Polaris RZR: https://www.facebook.com/polarisrzr https://www.twitter.com/polarisrzr https://www.instagram.com/polarisrzr Be sure to subscribe to this channel and LIKE our Facebook page! https://www.facebook.com/utvunderground https://www.twitter.com/utvunderground https://www.instagram.com/utvunderground ©2016 ALL RIGHTS RESERVED // A UTVUNDERGROUND PRODUCTION Adult models – 16 and […]


RJ37 Presented by Polaris RZR – Episode 4

The 2016 season has proven that RJ Anderson and his RJ37 team can not only battle for wins but also compete for the season championship. Follow RJ as he heads into Lake Elsinore to try and keep pace with off-road racing giant, Rob MacCachren who leads the Pro 2 class in points. From there, RJ […]


RJ Anderson Doubles Down on 2016

RJ Anderson Doubles Down on 2016 Anderson Unveils NEW Pro4, Sweeps WORCS, and Charges Towards a Championship at LOORRS Riverside, CA 9/22/16 – It has been a wild year for RJ Anderson. Never one to sit still, competition has kept him busy and the results are piling up! Anderson will roll into Lake Elsinore, CA […]


BREAKDOWN: RJ Anderson’s XP1K3 Polaris RZR

The foundation of the XP1K franchise is and always will be the Polaris RZR platform and because of that we always like to give you an inside look into the building of these one of a kind XP1K machines. Keeping RJ safe is always priority #1 when building these machines, next is the cool factor […]


XP1K3: Sound & Fury

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. RJ Anderson is constantly driving on the edge of consequence in the XP1K series. XP1K3 was no different. The “Sound and Fury” edit brings that consequence to life giving you a behind the scenes look at the crashes and failures when testing a […]


XP1K3 Metal Whoops Stunt

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K3″ is full of technical and high-flying stunts. Beyond being dangerous, the stunts are visually stunning and so now we begin to give you a closer look at one of the coolest stunts in the film, a stunt we call the “Metal Whoops”! […]


XP1K3 Train Gap Jump Stunt

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K3″ is full of technical and high-flying stunts. Beyond being dangerous, the stunts are visually stunning and so now we begin to give you a closer look at one of the coolest stunts in the film, a stunt we call the “Train Gap […]


XP1K3 I-Beam Launch Video

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K3″ is full of technical and high-flying stunts. Beyond being dangerous, the stunts are visually stunning and so now we begin to give you a closer look at one of the coolest stunts in the film, a stunt we call the “I-Beam launch”! […]


RJ Anderson XP1K3 “Slag Pour”

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K3″ is full of technical and high-flying stunts. Beyond being dangerous, the stunts are visually stunning and so now we begin to give you a closer look at one of the coolest stunts in the film, a stunt we call the “Slag Pour”! […]


XP1K3 Window Smash Stunt Video

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K3” is full of technical and high-flying stunts. Beyond being dangerous, the stunts are visually stunning and so now we begin to give you a closer look at one of the coolest stunts in the film, a stunt we call the “Window Smash”! […]


XP1K3 Fun Box Stunt Video

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K3” is full of technical and high-flying stunts. Beyond being dangerous, the stunts are visually stunning and so now we begin to give you a closer look at one of the coolest stunts in the film, a stunt we call the “Fun Box”! […]


UTVUnderground Presents: RJ Anderson XP1K3

UTVUnderground.com Presents: RJ Anderson XP1K3  The heavily anticipated offroad viral video “XP1K3” was launched today via UTVUnderground.com. The third installment of the wildly successful film franchise features the driving skills of three time offroad champion, RJ Anderson. UTVUnderground.com and motorsports production powerhouse Mad Media led by directing team “The Martelli Brothers” hit the launch button this morning after debuting the new video to […]


XP1K3 OFFICIAL TRAILER

RJ Anderson’s “XP1K3” Launches November 3rd via UTVUnderground.com The newest installment of the wildly successful Polaris RZR film franchise in its final stages San Diego, CA – October 21st, 2015 – The highly anticipated third installment of RJ Anderson’s mind bending viral off-road video series has completed production and is currently in final stages of […]


Feature Vehicle: Cody Waggoner’s RZR XP4

Cody Waggoner’s Madigan Motorsports’ built “Pre-Runner Edition” RZR is drawing lots of attention because of its clean design and and build out which was all done by Madigan Motorsports. “This car pretty much got every aftermarket part that Madigan makes,” Tom Madigan explained, “And Cody’s car didn’t start out as this grand ‘going to have everything’ project […]


RJ Anderson XP1K3 Is Coming This Fall

UTVUnderground.com to Release RJ Anderson’s “XP1K3” This Fall Polaris RZR to Sponsor Part 3 of the Wildly-Successful Film Franchise San Diego, CA – UTVUnderground.com today announced that the third installment of the Polaris branded viral film campaign dubbed “XP1K3” is currently in production. UTVUnderground has, once again, tapped motorsports directing heavyweights “The Martelli Brothers” and […]


RJ Anderson Battles at WHP

RJ Anderson Battles Hard at Wild Horse Pass Makes 3rd Podium Appearance Through 4 Rounds Of Racing Riverside, CA 4/28/15 – It was a weekend of ups and downs for RJ Anderson and the RJ37 team in Chandler, AZ for rounds 3 & 4 of the Lucas Oil Off-Road Racing Series (LOORRS). Coming into the […]


Feature Vehicle: GlazzKraft BOMBER

Our friend Alonso Lopez and his team at GlazzKraft are at it again with his all new 2015 Polaris RZR XP4 they call the BOMBER!! Lopez unveiled his new machine in all its glry at this years Mint 400 and immediately we were taken back by the amazing fab work and carbon fiber body all […]


Feature Vehicle: RJ Anderson’s WORCS RZR

By now, if you don’t know who RJ Anderson is then you probably live under a rock. The 22 year old off-road racing phenom is no stranger to custom RZR builds. He has been the longest standing Polaris RZR sponsored driver since the inception of RZR, he has a Lucas Oil Off-Road Racing Pro UTV championship […]


Feature Vehicle: Madigan’s RZR XP4

There’s a lot to notice about this UTV, specifically the attention to detail and the high-quality parts that have been put into it. “The black and gold is painted as opposed to wraps and the classic hot-rod style theme on the Razor is because I love the old ATC’s from the Eighties, like the ATC […]


RJ Anderson Season Preview Video

A new season and new look for RJ Anderson and his RJ37 Team! Take a look at RJ’s new truck designs and get ready because this year he’s going to the front! Follow RJ online: Instagram @TheRJ37 Twitter @TheRJ37 Facebook.com/therj37 Be sure to subscribe to this channel and LIKE our Facebook page! https://www.facebook.com/utvunderground https://www.twitter.com/utvunderground Instagram […]


UTVWC Kicks Off, 122 UTVs!

Today marked the second day of the inaugural Polaris RZR UTV World Championship presented by UTVUnderground.com, including the SXSPerformance.com Family Poker Run, Registration, Contingency and Tech. We were lucky to have fantastic weather all day, nothing better than sunshine and blue skies for contingency for the largest UTV race to date.   All the race […]


XP1K2 – The Story

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K2 The Story” is a behind the scenes look at the making of XP1K2. See how The Martelli Brothers, Mad Media, UTVUnderground and RJ Anderson all came together to make the most progressive and intense off-road video of all time. Includes new action […]


RJ Anderson XP1K2 – Video

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K2” is a seven-minute onslaught of intense off-road road action, set in a massive 600-acre forest near Mt. Baker, Washington. The video stars Off-Road Racing Champion RJ Anderson, driving a custom Holz Racing built Polaris RZR XP 1000 Side-by-Side (SxS), complete with a […]


XP1K2 – Director’s Cut

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K2 The Directors Cut” is a five-minute barrage of intense action, outtakes, alternate angles, and behind the scenes shots that have never been seen before now. The Martelli Brothers (Matt and Joshua Martelli) hand selected and edited this rare footage to an over-the-top […]


BREAKDOWN: RJ Anderson’s XP1K2

UTVUnderground.com had the honor of once again working with off-road racing champion RJ Anderson in building him a custom Holz Racing built Polaris RZR XP 1000 Side-by-Side (SxS), complete with a Polaris ProStar® 1000 Muzzys Performance engine and custom Walker Evans Racing shocks. In this BREAKDOWN, RJ gives us the low down on his new […]


XP1K2 – GoPro Edit

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. The XP1K2 GoPro Edit is a collection of all the coolest shots and most unique angles captured with our fleet of GoPro Cameras. Keep track of all the XP1K2 news and information at www.XP1K2.com Be sure to subscribe to this channel and LIKE […]


XP1K2 – Directors Cut!

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K2 The Directors Cut” is a five-minute barrage of intense action, outtakes, alternate angles, and behind the scenes shots that have never been seen before now. The Martelli Brothers (Matt and Joshua Martelli) hand selected and edited this rare footage to an over-the-top […]


BREAKDOWN: RJ Anderson’s XP1K2

UTVUnderground.com had the honor of once again working with off-road racing champion RJ Anderson in building him a custom Holz Racing built Polaris RZR XP 1000 Side-by-Side (SxS), complete with a Polaris ProStar® 1000 Muzzys Performance engine and custom Walker Evans Racing shocks. In this BREAKDOWN, RJ gives us the low down on his new […]


XP1K2 GoPro Edit

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. The XP1K2 GoPro Edit is a collection of all the coolest shots and most unique angles captured with our fleet of GoPro Cameras. Set in a massive 600-acre forest near Mt. Baker, Washington, XP1K2 stars Off-Road Racing Champion RJ Anderson, driving a custom […]


Feature Vehicle: GlazzKraft XP1K Pre-Runner

GlazzKraft never disappoints us when they tell us they want to do a UTVUnderground.com Feature vehicle. We have featured numerous GlazzKraft builds over the years and each time they continue to push the envelope of design and creativity. This small shop in Rosarito Baja Califonia, Mexico which is headed up by Hector Jimenez puts out […]


RJ Anderson XP1K2 – Video

Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. “XP1K2” is a seven-minute onslaught of intense off-road road action, set in a massive 600-acre forest near Mt. Baker, Washington. The video stars Off-Road Racing Champion RJ Anderson, driving a custom Holz Racing built Polaris RZR XP 1000 Side-by-Side (SxS), complete with a […]


Feature Vehicle: RJ Anderson’s XP1K2 RZR

In 2014 UTVUnderground.com partnered with Polaris RZR and off-road racing champion RJ Anderson to put together the most viewed UTV viral video campaign ever. The video was called XP1K and before the views were done being counted talks of the second installment were already being had. It came as no surprise when XP1K2 was launched […]


XP1K2 – Official Trailer

UTVUnderground Presents: RJ Anderson XP1K2 – Official Trailer Professional Driver. One-Of-A-Kind Heavily Modified Vehicle. Do Not Attempt. You Could Die. In 2013, UTVUnderground launched the first-ever branded viral film campaign for the Side-by-Side (SxS) industry. The campaign was dubbed “XP1K”, and brought together Polaris RZR, producers Mad Media, directors the Martelli Brothers and starred off-road […]


2014 WORCS RD9 Photos and Results

A long year filled with battles, blood, sweat and tears came to a close in Primm this weekend with the final round of the 2014 WORCS Series. Cognito Motorsports’ Ryan Piplic out of Las Vegas ended up taking the win at Buffalo Bills even after a little mishap on the start (see below). Piplic landed […]


2014 LOORRS So Cal RD7 Photos