This is the Ultimate Racing Super Strong EFRA 2141 exhaust system.
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 range with a great top end
speed. This pipe set will provide great power to your engine up to the
high RPM range to produce a great and easy to drive power curve.
All these characteristics will provide great torque for those very demanding tracks with sharp corners and hard to clear jumps.
This EFRA 2141 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.