Powercore 4 MufflerCaracteristicas: Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi Flo end caps make for the perfect balance of performance and strength Removable spark arrestor included Peso: 6. 46 Alto: 6. 29 Largo: 37. 32 Ancho: 6. 41 Aditamentos: XR400R : 1997 1998 1996 2003 2002 2004 2000 2001