What do you get when you take a 2015 Chevy Colorado and put a twin turbo Cummins in it, then add military axles, trophy truck suspension and a badass one of a kind body? You get what’s called a “Kymera”. That may be a vague way to explain this one of a kind vehicle built by Fab Fours that was put on display at this year’s SEMA show.

Fab Fours primarily focuses on making aftermarket bumpers for off-road vehicles. But on occasion they do a full builds just to show off what they can do and they killed it with this new vehicle called Kymera. According to greek mythology, a “Kymera” is a beast that has a head of a lion, body of a goat, and tail of a serpent so it’s actually quite fitting for this melting pot of aftermarket parts. Not only is this thing one of the most unique and badass off-road trucks we’ve seen, but according to Fab Fours reps it’s going to perform even better than it looks, if you can believe that.

Let’s talk about some of the specific goodies used on this killer rig. The first thing is massive shocks on both the front and rear, especially the front because the top of the shocks stick out through the hood. If you’re familiar with these high-level long travel shocks you might notice that they’re actually the larger rear shocks that’ve been mounted up front. Not just any shocks either, the top of the line Fox Shocks that are used on trophy trucks. In the rear of Kymera, you will see much of the same, massive Fox shocks that are normally only seen on million dollar off-road trucks smashing through the desert on something like the Baja 1000.

We know it’s got the suspension to handle just about anything you can throw at it, and then some, but what about the power? The stock Colorado had two engine choices, a four cylinder that put out around 200hp, and the biggest engine was the 3.6L V6 with 300hp. That’s not nearly enough for what the rest of the truck is capable of so they did an engine swap to get the power output up where it should be. They wanted to have a rear mounted engine for a couple reasons, first, it’s different and therefore cool, and maybe, more importantly, they didn’t have a choice because the massive rear shocks mounted up front took up so much room. Apparently, they originally planned on going with a gas powered twin turbo engine but at the last minute decided to go diesel, the 12 valve Cummins diesel. Fitted with a twin turbo setup this new motor puts out an estimated 650hp and while they didn’t specify, we’re assuming it’ll have over 1,000lb-ft of torque to crawl up and over anything in its path. Did we mention it also has a rear-steering system!


In order to handle all that power, Kymera was fitted with 5 1/2 ton military MRAP axles similar to what the guys at Diesel Sellerz used on the Mega Ram Runner and 6×6 (which was also featured at SEMA shows as well as on their TV show). That’s some serious running gear that can handle a lot more than 650hp. The tires on it are 405/70R20’s which if I’m calculating it right is about 42 inches, so even though it started as a midsize truck, it’s somewhat of a monster now.

The overall styling is super aggressive, with huge pieces of the body removed like the front fenders and most of the bed, which allows you to see the suspension system. They also chopped the roof by a total of four inches. The interior got it’s fair share of work as well. First, they had to rip out the rear seats to make room for the massive Cummins engine, so that’s been totally redone. Some pieces like the seats, infotainment and most of the dash remain from the stock Colorado but everything else from the ground up has been taken off, made better, and put back on in a unique way. The whole build was finished in just 10 short months but apparently took “multiple thousands of man hours” according to Fab Fours owner Gregg Higgs.


We think this thing would be an absolute blast to smash through the desert to see how it takes it. While it likely will remain a “trailer and show queen” for the majority of its life, Higgs did say they plan on taking it out and giving it a Hoon or two so we’re really looking forward to that video.