Black Widow Exhausts

Performance Motorcycle Exhaust Downpipes & Link Pipe

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 and allows for replacement of the heavy OEM muffler / Silencer.

• 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 slip - on silencers with a 51.5mm diameter inlet, and our own Black Widow Silencers.

• See kit photo for what's included. 

• Fitting instructions included.

• Material : 304 Grade Stainless Steel.

• 2 Year Black Widow Unlimited Mileage Warranty.