Pro Circuit T-4 Silencer 4T00400

• Designed to be used with OEM stock head pipes or Pro Circuit head pipes
• Ultra-responsive performance
• Incredible horsepower gains when compared to stock
• Developed to increase the horsepower and torque throughout the power curve
• Aluminum/stainless construction for reduced weight and increased durability
• Strong mounting bracket(s) for increased durability
• Designed for easy disassembly and re-packing when needed
• Removable USFS approved spark arrestor

KTM -- 400 MXC -- (2000, 2002, 2001); KTM -- 400 EXC -- (2002, 2001, 2000); KTM -- 400 SX -- (2001, 2002, 2000); KTM -- 250 EXC -- (2003, 2002); KTM -- 450 MXC -- (2003); KTM -- 520 MXC Racing 4-Stroke -- (2001, 2002, 2000); KTM -- 520 EXC Racing 4-Stroke -- (2000, 2002, 2001); KTM -- 525 MXC Racing 4-Stroke -- (2003); KTM -- 520 SX Racing 4-Stroke -- (2001, 2002, 2000); KTM -- 450 EXC -- (2003); KTM -- 525 EXC Racing 4-Stroke -- (2003); KTM -- 525 SX Racing 4-Stroke -- (2003)