Black Widow Exhausts

Performance Motorcycle Exhaust Downpipes

Fits : Kawasaki 

Ninja ZX4 - R 2023, 2024, 2025 models

Ninja ZX4 - RR 2023, 2024, 2025 models

• Louder with improved gas flow.

• Removes the restrictive catalytic converter. 

• Accepts your original Lambda (O2) sensors keeping your bikes engine management system, so no changes or modifications are required to your bike. No fault codes will appear when you install our system.

• Designed to fit the OEM Kawasaki silencer, and our own Black Widow Silencer Kits.

• See kit photo for what's included. 

• Fitting instructions included.

• Material : 304 Grade Stainless Steel.

• 2 Year Black Widow Unlimited Mileage Warranty.