Black Widow Exhausts

Performance Motorcycle Exhaust Downpipes

Fits : Kawasaki 

Ninja ZX4 - R 2023, 2024, 2025, 2026 models

Ninja ZX4 - RR 2023, 2024, 2025, 2026 models

• Louder with improved gas flow.

• Removes the restrictive catalytic converter. 

• Accepts your original Lambda (O2) sensors

• Engine management light may appear when using this system, this can be prevented if being set up by a tuning specialist.

• 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.