GPR Exhaust - SatInox Full Line for Yamaha WR 400 F - 1998 to 2000 Muffler with:dB Killer The insert consists of 4

The insert consists of 4 layers

Kids dirt bike boots offering essential performance

finely finished and black anodised

Dual density TPU ankle protectors are strategically positioned between the upper on the medial side and the padded lining to provide the strategic protection in key areas

GPR Exhaust - SatInox Full Line for Yamaha WR 400 F - 1998 to 2000 Muffler with:dB Killer The insert consists of 4GPR'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