FMF Factory 4.1 complete exhaust system — Kawasaki KLX 110 2002–2020 and others (4T)

The FMF Factory 4.1 is a four-stroke silencer focused on power across the range and on the lowest possible weight — it's among the lightest mufflers available. Factory Forward Engineering centralises mass and improves handling. It can be fitted with performance tuning inserts and a spark arrestor module. Fits: Kawasaki KLX 110 (2002–2020); Kawasaki KLX 110 L (2010–2020); Kawasaki KLX 110 R (2021–2026); Kawasaki KLX 110 R L (2021–2026); Suzuki DR-Z 110 (2003–2005). Specifications — muffler material: Aluminum, pipe material: Stainless Steel, end cap material: Stainless Steel. Note: does not meet the 2025 FIM sound limit — intended for practice and closed courses, not for FIM-sanctioned racing. Spark arrestor included. QuietCore 94 dB insert included. Delivery 5–8 working days. SKU: 042380.