<br />BIG GUN ECO Slip-On Muffler and Arrestor Kit for HONDA TRX400EX FourTrax 1999-2000 <br /> <br />Kit Includes: 1 ECO Slip-On Muffler, 1 USFS Approved screen type spark arrestor <br /> <br />ECO Slip-On Muffler <br /> <br /> <li>Economically priced slip on exhaust</li> <li>Slip fit mid-pipe design allows for movement of frame and prevents breaking</li> <li>6061 brushed aluminum muffler housing</li> <li>TIG welded 304 stainless steel mid pipe</li> <li>Black powder-coated stainless steel end tip</li> <li>Improved horsepower and torque gains</li> <li>Removable screen-type USFS approved spark arrestor</li> <li>Handmade in the USA</li> <li>One Year Limited Manufacturers Warranty</li> <br />USFS Approved screen type spark arrestor <br /> <br /> <li>USFS Forestry Approved (Screen Type) Spark Arrestor</li> <li>Compatible with all Big Gun Exhaust Systems</li> <li>Installs in minutes</li> <li>Includes Spark Arrestor and Spacer Ring</li> <li>If you are just using the Spark Arrestor without a quiet insert, you must use the Spark Arrestor and the Spacer Ring together.</li> <li>Either the Spark Arrestor or Spacer Ring is needed for proper installation of a Vortex or Vortex 2 Insert.</li> <br />