Q4 Slip On Exhaust w/ S/A - For 06-09 YZ250/450F + 07-11 WR250/450F

For 06-09 YZ250/450F + 07-11 WR250/450F

• Color: Silver
• End cap material: Stainless steel
• Material: Aluminum
• Mid pipe material: Stainless steel
• Mounting Style: Slip-On
• Muffler finish: Natural
• Muffler material: Aluminum
• Muffler Quantity: 1
• Spark arrestor: Included
• Type: Muffler Assembly

• Natural finish aluminum muffler
• Stainless steel mid pipe
• Stainless steel end cap
• Spark arrestor included
• Quiet insert included
• Max Sound output 96dB; most models below 93dB
• Developed over years of championship off-road racing
• Constructed from aircraft grade aluminum and high strength stainless steel
• Use with FMF or stock OEM header

FMF is the leader in high performance quiet technology and our Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power!