FMF Q4 Muffler Aluminum for Honda XR400R 1996-2004 041334 Size: HONDA 4-STROKE XR400R 1996-2004 Style: EXHAUST/SLIP-ON MUFFLER Color: silver Warranty: All merchandise manufactured by FMF Racing has a warranty against manufacturing defects for a period of one (1) year from the date of invoice. See their site for full details.