Spark decibels Universal Noise reducerRef : SPK00011A / 18602053

SPARK Decibel Reducer (ref. G9939) — Noise-reducing insert designed for FORCE CLASSIC silencers. Made from stainless steel, this insert fits into the exhaust outlet to modify the sound character of the motorcycle without affecting the mapping. Ideal for riders looking to temper the voice of their silencer while maintaining a sporty sound suitable for Sport/Racing and Roadster environments.

• Material: stainless steel, heat and corrosion resistant
• Type: noise-reducing insert / decibel reducer
• Dimensions: outer diameter 47.3 mm / inner diameter 32 mm — 00° open (compatible with FORCE CLASSIC silencers)
• Packaging: single unit
• Brand: SPARK — manufacturer reference: G9939

Compact and robust, this insert mounts directly into the outlet tube provided on the silencer. It modifies the timbre and perceived sound footprint without promising specific reduction values — the result will depend on the installation and exhaust configuration. Before installation, check compatibility with your silencer and compliance with local noise regulations.

This product is intended for performance enthusiasts seeking a simple solution to adjust the acoustic character of their exhaust while maintaining a durable metal finish and discreet installation.