Polaris RZR Pro R & Can-Am Maverick X3 Parts & Accessories

FAST UTV

The locked factory ECU era is over.

Don't unlock it. Replace it.

Replace your factory ECU with a plug-and-play stand-alone system. No factory ECU unlock. No factory-unlock licensing fees.

Can-Am Maverick X3 (2021+, MG1) | Polaris RZR Pro R (2022+)

Gold Acclivity Axiom Pro R ECU with expansion harness connected, angled detail

X3 stock-injector packages from$2,299.00

Shop Can-Am X3 Shop Polaris Pro R

All Acclivity ECU options

No factory ECU unlockReplaces the MG1 ECU using factory connectors.

Big injector + fuel pump $2,999.00Hardware and all fuel-stage tuning included.Flex fuel: 91 octane through E98 $3,149.00Fuel pump, injectors and flex-fuel sensor kit included.

Your next build starts here

Make It Fast

More power. Better handling. A build that's yours. Bring us your goals and let the FastUTV team help plan your next upgrades.

Start My Garage Explore Make It Fast

Your rideA garage built around your vehicle.
Your goalsA plan with the FastUTV team.
Your buildYour upgrades, ready to shop.

Welcome to

FAST UTV

Southern California’s Performance Parts Shop for Polaris RZR & Can-Am Maverick UTVs

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Shop parts for your UTV

Vehicle groups include different years, trims and configurations. Exact fitment and required options are listed on each product.

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FAST UTV E85 power system for CAN-AM X3 side-by-sides, engineered to prevent ethanol moisture buildup and boost performance.

Upgrade your fuel system

The CAN-AM E85 Power System is the ultimate fix for moisture buildup — delivering cleaner combustion, stronger throttle response, and reliable high-performance power.

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Can-Am & Polaris

aRacer ECU.
FastUTV tuned.

Three maps. One fuel family. Tuning configured by FastUTV for your vehicle and build.

$2,369ECU + three FastUTV maps included

Choose your vehicle

aRacer stand-alone ECU and wiring harness

Gasoline only

Three gasoline maps, such as 91, 100 and 110 octane, matched to your build.

E85 only

Three enhanced E85 maps with different power levels and, on boosted builds, different boost levels.

Choose gasoline or E85. The two fuel families cannot be combined in one package. Same $2,369 retail price for all Can-Am and Polaris aRacer ECU packages.