This is the Ultimate Racing EFRA 2142 SUPERSONIC 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.
This pipe set provides a precise and linear throttle response in high RPM range with a great top end speed. This pipe set will provide great power and speed at high RPM.
This exhaust system includes the pipe, the manifold, 2 short springs, 2 medium springs, 2 long spring and 2 manifold gaskets.