Standard replacement exhaust system suitable for scooters equipped with the Peugeot 50cc 2-stroke upright scooter. Comes with exhaust pipe gasket. Please note that this exhaust system is equipped with a restrictor washer in the downpipe. The restrictor washer can be easily removed for improved performance, but if you do remove the washer, you may also need to adjust the jet in the carburetor and the roller weights in the CVT to properly tune the engine and achieve optimum performance.