Graves Motorsports Kawasaki Ninja 400 / Ninja 500 WORKS2 Full Exhaust System EXK-18EX4-FSCW2
Graves Motorsports Kawasaki Ninja 400 / Ninja 500 WORKS2 Full Exhaust System for the Kawasaki Ninja 400 / Z400 2018-2023 / Ninja 500 2024+ / Z500 2024+. Full system weighs 7.6 lb versus 13 lb stock, a 5.4 lb savings. Part # EXK-18EX4-FSCW2.
Graves Motorsports Kawasaki Ninja 400 / Ninja 500 WORKS2 Full Exhaust System
Part Number: EXK-18EX4-FSCW2
Graves Motorsports Kawasaki Ninja 400 / Ninja 500 WORKS2 Full Exhaust System for the Kawasaki Ninja 400 / Z400 2018-2023 / Ninja 500 2024+ / Z500 2024+.
Features
- Full stainless steel exhaust system with a carbon fiber silencer
- Diamond-shaped silencer with a carbon end cap and titanium rivet bands
- Silencer mounts directly to the frame via an integrated bracket
- Headers use machined stainless fittings and hard-anodized 7075 aluminum flanges, spring mounted
- Link pipes have top-mounted springs for mid-pipe clearance
- Claims a 10% horsepower and torque gain when paired with tuning (FTEcu kit suggested)
- Full system weighs 7.6 lb versus 13 lb stock, a 5.4 lb savings
- Sound with the included insert: 80 dB at idle and 97 dB at 5000 rpm (stock: 71.5 dB / 84.5 dB)
Fitment
- Kawasaki Ninja 400 / Z400 2018-2023 / Ninja 500 2024+ / Z500 2024+
Notes
- Removable sound insert included.
For closed-course competition use only. Not legal for sale or use in California on any pollution-controlled motor vehicle.


