Yoshimura RS-4 Stainless Full Exhaust 2014-17 Yamaha YZ450F | 234810D321 all_colors The G2 Jimmy Twister incorporates

The G2 Jimmy Twister incorporates three bearings for the smoothest action possible

If you ride your Kawasaki 250 or 450 off-road this is a must have guard to protect the rear brake rotor from damage

These front fork damping rods replace the stock damping rods to increase travel and provide increased damping control for adult sized riders

Slim profile allows easy access to valve guides even on modern compact heads with deep lifter boxes

After setting the horizontal velcro straps you might have a perfect fit already

Yoshimura RS-4 Stainless Full Exhaust 2014-17 Yamaha YZ450F | 234810D321 all_colors The G2 Jimmy Twister incorporatesFitment: Yamaha YZ450F 2014 2017 The work that went into developing the RS 4 muffler has paid big dividends in Off road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS 4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS 4 features a Polyresonant duplex chamber and two staged