Yamaha SX Viper/Mountain Max Trail Performance Exhaust

• 6” diameter muffler body
• Louder than stock
• 88 decibels or less at 4000 rpm
• Lighter thank stock
• 2 Year warranty
• Improved throttle response
• Quick and simple installation
• Huge weight savings
• Made from 304 stainless
• Uses stock springs and hangers
• Dyno proven performance
• Flo-bench tested for back pressure

Fitment

Yamaha SX Viper" 2002 / Yamaha SX Viper Mountain" 2003 / Yamaha SX Viper Mountain" 2004 / Yamaha SX Viper Mountain" 2005 / Yamaha SX Viper ER" 2002 / Yamaha SX Viper ER" 2003 / Yamaha SX Viper ER" 2004 / Yamaha SX Viper S" 2004 / Yamaha Mountain Max 700" 2003 / Yamaha Mountain Max 700" 2002 /

Orders $39 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.