Ultimate Racing Super Strong EFRA 2142 pipe. This EFRA 2142
hi-quality aluminum exhaust has been designed to improve the overall
performance of your engine.
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 EFRA 2142 exhaust system is a great choice for your 1:8 off road
engine, and it’s specially recommended for the M3R, M3X, M4R and M5
This exhaust system includes the pipe, the manifold, 3 short springs, 2 medium springs, 1 long spring and 2 manifold gaskets.