FMF Factory 4.1 RCT Titanium carbon tip Off-road SilencerKAWASAKI 450 KX 450 F (KX450F) - 2012 - 2015Ref : 1821-1337 / 18211337

The FMF RCT (Resonance Chamber Technology) off-road silencer features a patented central shape that reduces noise levels while maintaining maximum output power.

• The internal conduits in the RCT system chambers increase internal volume for improved exhaust flow, providing a power gain across the entire engine.
• The rear end is equipped with an easy-to-install spark arrestor, thanks to the removal of four screws.
• Compatible with either the original or FMF header.
• Meets AMA and FIM noise requirements.
• QuietCore insert of 94 dB included.
• Spark arrestor included in the silencer.
• Made in the USA.