Processing customization is the purpose of the silencer drum size 50mm (mm) type 76 back pressure bag (steel white straight through) applicable models universal modification article number SCL-2019100028-076A00WB specifications without standard applicable models KTM EXC XC XE applicable models KLX YZF CQR NC250 applicable models CRF RMZ DRZ KTM YZF KXF CRF WR YZ Product Name: Motorcycle Exhaust Pipe Refit 50.8mm Muffler Porous Sound Reduction Plug Back Pressure Core Mute Catalyst Silencer Category: Exhaust Pipe Sound Reduction Plug Honeycomb Back Pressure Pack 50.8MM Product Description: Refit Muffler catalyst sound reduction plug reduces noise and purifies exhaust gas Standard product weight: 440g Packing method: thick PP bag