HMF Swamp & Swamp XL Slip On Exhaust Systems for Viking Models

HMF developed a slip-on exhaust system for the Yamaha Viking that's available in our stainless Swamp and Swamp XL Series. HMF Was able shed 2-3 lbs from the 11.5 lb stock system, while keep sound levels very close to stock with the Swamp series. This slip-on system adds more durability and security to the Viking and is a true performance enhancing system. 

Includes a USFS Approved Spark Arrestor and a 2 Year Limited Manufacturer's Warranty. 

Is made of high quality Aluminum, Stainless Steel, or Carbon Kevlar. Packed with high performance glass wool packing. 

Includes Installation Instructions and is manufactured in the U.S.A.

The Optional Gen 4 Optimizer is the AFR+ Fuel Controller that combines an EFI controller with a wideband O2 sensor and AFR gauge to provide a user instant fuel trimming ability and feedback about their vehicle's state of tune.  The AFR gauge allows you to know exactly how well your tune-up is performing at all times. 

Optional Fuel Controller Kit Includes: AFR Guage, Wideband controller, and Bosch O2 Sensor.

HMF Viking Gen 4 Fuel Controller