FAST UTV x aRacer

The locked factory ECU era is over.

Factory Bosch MG1 ECUs made tuning slow and expensive. These complete stand alone packages replace the factory ECU, install in minutes, and arrive turn-key with your selected Fast UTV bundled calibration.

  • No factory ECU unlock
  • No unlock licensing fees
  • Plug-and-play and turn-key
Fuel tuning $2,369
Boost tuning $2,669
View all Fast UTV tuning packages

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Bundled fuel calibration included
Fast UTV side-by-side performance shop in Corona, California featuring a custom-built UTV with in-house tuning, dyno services, and upgrade installations.

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FAST UTV

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

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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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High-performance exhaust system installed on a UTV, showing the full header, mid-pipe, muffler, and polished tips for Fast UTV customers.
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  • High-performance exhaust system installed on a UTV, showing the full header, mid-pipe, muffler, and polished tips for Fast UTV customers.
  • Kawasaki TERYX4 H2 close-up showing the performance exhaust system and green suspension springs from a right-side angle, highlighting Fast UTV’s full installation quality.
  • “Close-up view of a Kawasaki TERYX4 H2 side-by-side exhaust system installed and photographed at a left angle, highlighting the full Fast UTV performance setup.”
  • Hardware and components included in the Kawasaki TERYX4 H2 exhaust installation kit, showing bolts, clamps, and fittings provided with Fast UTV’s full exhaust upgrade.
TERYX®4 H2 Exhaust System

TERYX®4 H2 Exhaust System
$1,634.96

Pickup available at Fast UTV

Usually ready in 1 hour

TERYX®4 H2 Exhaust System

Fast UTV

Pickup available, usually ready in 1 hour

160 Vander Street
STE C
Corona CA 92880
United States

9514277466
can am maverick vehicle

UTV Upgrades & Accessories

Can-Am Maverick

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Polaris RZR Pro XP

Side-by-side Performance parts

Polaris RZR

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New Arrivals

Explore the latest performance upgrades, parts, and accessories for today’s most popular SxS models.

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Shop high-performance racing fuel blends engineered for SxS power, reliability, and maximum output.

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Black cap with pink and white 'Fast' logo on a white background



Hats, shirts, blankets, and gear built for real riders — bold, durable, and race-ready.

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