The Akrapovic Slip-On system is designed for recreational riders and delivers an outstanding combination of performance, design, and durability plus the well-known Akrapovic quality, ease of installation, and genuine affordability.

Meets FIM noise limits Features a more durable welded bracket and titanium end cap Special coating for the silencer outer sleeve giving better scratch resistance and easier cleaning.

Can be used alone or paired with either an Akrapovic Stainless Steel (90798-31907) or Titanium (90798-31908) Header Pipe, both sold separately.

Spark arrestor comes standard.

When combining a Titanium Header with the Titanium Slip-On the comparison performance changes compared to the original equipment is approximately as follows:

POWER: + 0.5kW 7950rpm</p> <p >TORQUE: + 0.8Nm 6650rpm

WEIGHT: -0.8kg

Note: For closed course use only.

This is a non-Yamaha branded product. Fully developed and produced by Akrapovic.

Fits:

• 2016 – 2017 WR450F
• 2016 YZ450FX
• 2014 – 2017 YZ450F