FMF 041017 PowerCore 4 Slip-On Exhaust System for Honda XR70/CRF70

The FMF Racing PowerCore 4 Slip-On Exhaust System is engineered to deliver enhanced performance for Honda XR70 and CRF70 models. This complete muffler and header system combines advanced acoustic engineering with durable construction to provide significant power gains over stock exhausts.

Key Features:

• Hi-Flow core design with increased surface area for superior sound absorption and improved exhaust flow
• Extruded aluminum canister for lightweight durability and corrosion resistance
• Stainless steel midpipe with precision MIG/TIG welding for long-lasting performance
• Space-age internal packing materials for optimal sound control and heat management
• U.S. Forestry-approved spark arrestor screen (maintenance-free stainless steel construction)
• Lighter, stronger, and more powerful than OEM exhaust systems

This PowerCore 4 S/A (Spark Arrestor) system is ideal for riders seeking improved throttle response and increased horsepower while maintaining legal compliance for trail riding on public lands. The complete system includes both header and muffler for straightforward installation.