ULTIMATE EFRA 2141 OFF ROAD SUPERSONIC ONE-PIECE PIPE nitro accessory removing more of the pendulum

removing more of the pendulum effect and freeing up the rear of the car even more

improving the connection and securing it without the danger of unintentionally disconnecting

the new design now utilises 3 dustproof ball bearings

operating speed (8

ULTIMATE EFRA 2141 OFF ROAD SUPERSONIC ONE-PIECE PIPE nitro accessory removing more of the pendulumThis is the Ultimate Racing EFRA 2141 SUPERSONIC One Piece Off Road exhaust system. In this SUPERSONIC update, the gas flow has been improved to achieve a higher top end speed compared to its predecessor. The pipe has been welded to the manifold to improve performance. This EFRA 2141 hi quality aluminum exhaust has been designed to improve the overall performance of your engine. It produces a precise and linear throttle response in the low to mid RPM