The REDS EFRA 2143 High Torque exhaust for S Series guarantees great mid
and top end power, with average fuel economy on your REDS engine. The
REDS 2113 is suitable for short tracks. The pipe kit includes the
springs and gasket required for assembly, as well as a medium manifold.
This pipe can also be used with a long manifold on short tracks when you
need less top speed and more bottom end torque.