FMF P-Core 4 Spark Arrestor Muffler for Kawasaki KLX300R, Part 042387

The FMF P-Core 4 S/A Muffler is a performance-focused exhaust component designed for Kawasaki KLX300R trail motorcycles. Manufacturer and vendor part number 042387, this FMF muffler fits 2020, 2021, 2022, and 2023 Kawasaki KLX300R models. Its stainless steel construction and lightweight aluminum canister provide a durable, practical solution for riders seeking dependable exhaust performance and long service life.

The internal core uses FMF Hi-Flo technology to improve exhaust flow, helping support increased engine performance and enhanced sonic evacuation. Space-age internal packing is engineered for extended packing life, while the Hi-Flo modular end cap supports serviceability and consistent performance. A removable spark arrestor is included, making this muffler suitable for applicable off-road and trail riding environments where spark-arresting equipment is required.

Installation is intended for direct fitment on the specified Kawasaki KLX300R applications. Verify the motorcycle model year and exhaust configuration before installation. This FMF P-Core 4 muffler combines durable materials, efficient internal design, and included spark-arrestor functionality in a purpose-built exhaust upgrade for compatible Kawasaki motorcycles.

Features:

• Construction: Stainless steel muffler body with a lightweight aluminum canister for durability and reduced weight
• Packing: Space-age internal packing designed to provide extended packing life
• End Cap: Hi-Flo modular end cap supports efficient exhaust flow and serviceability
• Core Technology: Internal core design uses FMF Hi-Flo technology for improved flow
• Performance: Enhanced sonic evacuation helps support higher exhaust flow and increased power
• Spark Arrestor: Includes a removable spark arrestor for compatible off-road and trail applications
• Fitment: Fits 2020, 2021, 2022, and 2023 Kawasaki KLX300R models
• Brand: FMF
• Manufacturer Part Number: 042387
• Vendor Part Number: 042387