Yoshimura’s Signature Series RS-12 stainless/aluminum slip-on muffler is built for riders who want a sharper edge on the track or out on the trail. Designed for KTM SX-F and Husqvarna FC dirt bikes, this slip-on is engineered to deliver additional power and increased torque, while including a USFS-approved spark arrestor for added confidence when riding in approved areas. SKU: 262542S320.
Product Details
SKU: 262542S320
Brand: Yoshimura
Category: Signature Series Exhaust System
Key Features
Signature Series RS-12 stainless/aluminum slip-on muffler design
Developed to provide additional power and increased torque (per Yoshimura)
Includes and comes installed with a USFS-approved SA-19-K spark arrestor
Spark arrestor helps reduce sound output for quieter riding
PTF insert system allows quick install/removal of the spark arrestor or low-volume insert
Serviceable design—repack/rebuild components available for long-term use
Fitment: KTM SX-F and Husqvarna FC dirt bikes (model years 2023–2026 as stated in the product title). SA-19-K spark arrestor is included and installed.
⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
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