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Crawford Performance Subaru Crosstrek Class 5 Open

One of the greatest strengths of off-road desert racing is the amount of classes we have, and the idea of “Unlimited”. Basically if you can build it, chances are you can fit in an existing class. In some cases a class will be made for you. The idea of “Unlimited” allows for the dreamers to implement their crazy ideas, thus continually coming up with innovations and evolutions that continue to push the technology of off-road racing forward. When you have a class like Class 5 unlimited it allows for some creative interpretation of the rules. The Grabowski’s took advantage of the leeway in Class 5 and enlisted the help of engine wizard Quirt Crawford to build this new stunning 2.5L Subaru boxer engine powered Subaru Crosstrek Class 5. If you are not familiar with Quirt Crawford he was the builder of Ken Block’s first two Gymkhana cars, the man is a master on squeezing maximum power out of the boxer engine while still keeping it reliable.

We are big fans of VW-powered classes but the use of the 2.5L Subaru boxer engine is clearly an evolution that could stimulate some growth in Class 5 without totally cannibalizing the roots of the class. This build has created some controversy, you can join the debate in our forum by clicking here.

According to SCORE and SNORE it meets the chassis requirements of its class (especially the front suspension), but it’s Subaru Crosstrek shape may be a slight issue.


The Grabowski family are not new to off-road, they have had generations of experience racing in class 5, pro-lite, and trophy karts. They have also spent time navigating in Class 1 with the Herbst and Class 8 with Brian Collins. Let’s see what they can do in what is going to be the fastest Class 5 ever built!

When was the last time you heard anything about a new Class 5 open? Sadly this class is slowly fading in the premier racing associations like SCORE and BITD so when we heard Subaru stepping in bringing support to a new Class 5 we were pretty exited. This machine feature specs right out a Class 1 like the sequential Albins Transmission or The 37″ BFGoodrich tires.

In the engine bay as we mentioned above, Crawford Performance put together a flat 2.5 FB engine who according to Subaru “The 2.5 litre engine provides 15% more power and 18% more torque than the 2.0 litre engine for more responsive performance. It is for this reason more suited to carrying heavier loads, towing and up/down winding country road driving” … or race Baja.

Other details this machine features is the Motec system at the dashboard, Mastercraft Seats, PRP seatbelts, Pro Am brakes and well, the list goes on, we leave you with the full table specs and photo gallery below:

Chassis: Desert Dynamics

Weight: 3800 Lbs Race Ready

Wheel Base: 105” (2667)

Engine: Subaru, fb2.5, 90mm x 94mm

Cooling: CBR

Exhaust: Crawford Custom

Plumbing: Crawford Custom

Transmission: Albins

Driveline: 935 Pro Am Axels & CV’s

Brakes: Pro Am; Four Piston Front / Six Piston Rear

Fuel Cell: Harmon 34 Gallon

Tires: Rear: BFG 37” (939.8) x 12.5” (317.5) x 17” (431.8) / Front: 35” (88.9) x 12.5 (317.5) x 15” (381)

Wheels: Pro Am Forged

Paint/Graphics: Hyper Blue by Sign Pro

Body:  Subaru Crosstrek; Victory Race Cars

Front Suspension: Trailing Arm; 14” (355.6) Travel, King Shocks, Bypass 2.5 (13.5) Front

Rear Suspension: Trailing Arm; 18” (457.2) Travel, King Shocks, Bypass 3.5 (88.9) Rear

Steering: Howe 2 1/2” (63.5) Ram

Paneling: Victory Race Cars

Wiring: Jax Motorsports / James Lyn

Lights: GG

Navigation: Lowrance

Communication: PCI

Seats: Mastercraft

Safety: Belts are Crowe

Extras:Flame Out is Safe Craft

All dimensions should be imperial and metric. Example: 10 inches / 254 mm