Previous image Next image
Zoom image
This product is vehicle specific. Click here to select a specific bike to ensure fitment.

4-2-1 Racing Headers by SC-Project

  • $833.00
  • Make/Model/Year
  • Select Header Material
  • SKU

SC-Project is a race tested and race proven Italian exhaust manufacturer. SC-Project uses their MotoGP, Moto3, Moto2 and Superbike racing experience to push the limits and develop the highest level of exhaust performance.

SC-Project exhausts are hand made right along side the same exhausts you see on MotoGP bikes and at race tracks around the world. SC-Project is committed to putting race quality performance, sound and weight reduction in the hands of all motorcycle enthusiasts.

  • Available in full titanium or stainless steel AISI 304
  • CNC machined from solid billet titanium for perfect fitting
  • Best performance improvement both in power and in torque
  • OEM catalyst removal for important weight and working temperatures reduction and to get hollow and deep sound
  • Stock O2 sensor housing


Note: Compatible with SC-Project Exhaust Slipons that are designed to fit this bike model application.

Note: This is the complete header system. Exhaust slipon sold separately.

  • Make/Model/Year
    Kawasaki / Z900 / 2017, Kawasaki / Z900 / 2018
  • Select Header Material
    Stainless Steel, Titanium
Customer reviews
Average rating:

Score: 0. Votes: 0
There are no reviews for this product yet