KTM 50 SX Exhaust Expansion Chamber 2016 - 2023KTM 50 SX Exhaust Expansion Chamber * one use Fits Models: 20162023 KTM 50 SX Husqvarna TC 50 GasGas MC 50 Product Overview Restore the "factory snap" to your young racer's bike. This high quality expansion chamber is designed specifically for the 2019 KTM 50 SX, offering a perfect OEM spec fit. Whether you are replacing a dented pipe from a crash or a rusted out stock unit, this chamber ensures optimal backpressure for the 50cc 2 stroke engine,