GPR Exhaust - Pentacross Full Titanium Full Line for Yamaha YZ 250 FX - 2015 to 2019 Muffler with:dB Killer-Spark Arrestor or if you are unsure

or if you are unsure

Holding function for TORX ® screws

Mesh inner lining to increase breathability

Hook and Loop Fastener for Wired Microphone

and exterior mesh pocket

GPR Exhaust - Pentacross Full Titanium Full Line for Yamaha YZ 250 FX - 2015 to 2019 Muffler with:dB Killer-Spark Arrestor or if you are unsureThis is a GPR's FULL TITANIUM complete racing system for track use developed in collaboration with the best MXGP teams. The kit consists of a manifold with Ultrabomb expansion and new Pentacross silencers. The manifold and silencers are titanium made, this system produces an average performance increase of 2cv. FEATURES SOUND: Upgraded sound from stock exhaust PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade