Exhaust valve ITALKIT Aprilia RS 125 2-stroke LC (122, 123 ROTAX engine)

Variable exhaust control from Italkit. This valve variably adjusts the exhaust timing from the cylinder depending on the load condition on the engine, which has a noticeable effect on the cylinder timing and thus also on the power.
OEM no. for comparison purposes only: Aprilia AP0253470 AP0253722

For Aprilia RS 125 2-stroke LC (122, 123 ROTAX engine)