29/31Mm Expansion Chamber To Silencer Coupler Seal And Spring Kit For 200 250 300 Cc Ktm Euro Type 2-Stroke Exhaust Seal Kit For Ktm Sx, Husqvarna Tc Te, & Gasgas Mc Models Using Oem 50205057000

29/31Mm Expansion Chamber Seal Kit For 2-Stroke 200 250 300 Cc Euro Dirtbikes Ktm Sx, Gasgas Ec Ex Mc, & Husqvarna Tc Te Tx Motorcycles. Kit Replaces Old Factory Parts With Fresh Springs, O-Ring Seals, And Pipe To Silencer Coupler. Note: Fits ’11’ To ’16’ 200Cc Xc-W. ***Does Not Fit 99′ To 10′ 200Cc Models, See Listing For The 125-150-200 Kit For Other 200Cc Pre 2011 The Use The 21/23Mm Sleeve.