This is a special pipe designed to fir the new Thunder Tiger RL-100H engine. Feature enlarge exhaust volume, With smooth airflow to help the engine generate extreme power output and high torque at high RPM. Steady back pressure flow design to make the engine run smoothly under different RPM conditions.

The Combination of the RL-100H engine and the Redline Hi-Flow pipe will be the best choice for the extreme 3D pilot.

This Muffler Will Also Fit The O.S 90-105 Size Engine