FMF Racing Q4 S/A Yfz450 '04-07 - 79-4184

Q4 S/A Yfz450 '04-07

Features:

• Developed over years of championship off-road racing
• Max sound output 96db; most models below 93db
• Pounds lighter than stock
• Use with stock or FMF header
• Built-in spark arrestor included
• Easy to repack
• Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available

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