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FANTASY FLASH SALE

Save $30 on Losi NASCAR Fantasy vehicles!

SHIFT INTO OVERDRIVE

Full Throttle Rewards | VIP perks, exclusive deals & more

NEW & IN STOCK

Available now and ready to ship

Next Shipment August 2026

OS Engines Muffler Power Box: 120AX

OS Engines - OSMG2845

$67.99

Earn Full Throttle Rewards With Every Purchase. Learn More.

OS Engines Muffler Power Box: 120AX Product Specs

Manufacturer #29122500