GPR Exhaust - SatInox Full Line for Yamaha WR 400 F - 1998 to 2000 Muffler with:dB Killer maintain a steady throttle position

maintain a steady throttle position – similar to cruise control – on long journeys

finely finished and black anodised

(DSP) for noise cancellation

OEM Part #: 1378014J00

GPR Exhaust - SatInox Full Line for Yamaha WR 400 F - 1998 to 2000 Muffler with:dB Killer maintain a steady throttle positionGPR'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