Aftermarket Assassins

Aftermarket Assassins is a leader in high-performance UTV and SXS upgrades, offering precision-engineered parts and tuning solutions for riders who demand maximum power, speed, and reliability. Known for their ECU tuning, clutch kits, exhaust systems, and performance accessories, Aftermarket Assassins products are designed to take your machine’s performance to the next level.

From trail riding to dune running and competitive racing, every Aftermarket Assassins product is developed through extensive testing in real-world conditions. Their tunes and hardware work together for optimized horsepower, torque, and throttle response without sacrificing reliability.

At Team FAS Motorsports, we stock a wide selection of Aftermarket Assassins products for Polaris, Can-Am, Yamaha, and more. Whether you’re chasing faster acceleration, more top-end speed, or improved drivability, Aftermarket Assassins delivers proven performance parts backed by expertise and innovation.