Less drag increases horsepower

40 and 6-ply rated casings

Flexair gear is race-proven in some of the most demanding conditions by some of the world's top motocross athletes—this jersey is ready to be your partner in dirt

The bottom is in carbon fiber with a "slash" profile in the part that goes to meet the silencer body

GPR Exhaust - SatInox Full Line for Yamaha MT-09 - 2017 to 2020 K-Type-Visors Less drag increases horsepowerGPR's Satinox silencer is made of 304 stainless steel. It has an oval shape with a diameter of 90mm. Product Features SOUND: Upgraded sound from stock exhaust. Although louder than stock but in compliance with the limits prescribed by law, this exhaust produces the softest sound of all the GPR exhausts. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical