FMF P-CORE 4 S/A MUFFLER W/SS HEADER YAM - 79-2078

The FMF Powercore 4 Slip-On Muffler with stainless steel header is a trail-legal four-stroke exhaust upgrade for Yamaha riders searching for the FMF Powercore 4 slip-on muffler Yamaha stainless header. The Powercore 4 S/A runs a US Forestry approved stainless steel spark arrestor screen so you won't get turned away at the trailhead. Throttle response feels crisp and the extruded aluminum canister keeps weight down without sacrificing strength. FMF has decades behind these designs, and it shows.

• Delivers more exhaust flow by using a hi-flow core with increased surface area for better power.
• Built with an extruded aluminum canister and MIG/TIG welded stainless steel midpipe for lasting strength.
• Fits Yamaha mounting points so installation won't need custom brackets or extra fabrication.
• Keeps the spark arrestor exhaust muffler trail-legal with a US Forestry approved maintenance free screen.
• Reduces unwanted sound while flowing more exhaust gas through space age internal packing material.

Pick up the FMF Powercore 4 Slip-On Muffler with stainless steel header at DDRV, authorized dealer.