36mm internal diameter header pipes.

TIG welded by hand for smooth internal surfaces optimising performance.

Original O2 Lambda sensor compatible.

Ultra light race specification stainless steel, these weigh in at a feather weight 3.9kg / 9lbs.

Modular spring fit design for easy fitment.

No re-jetting or modifications required, we recommend a professional set up for maximum performance.

Silencer Material : 304 Grade Polished Stainless Steel + 3K Weave Carbon Tip

Silencer Body Length excluding tips = 300mm

Silencer Code: 300ST

See our Silencer Specifications Tab for length & noise levels

We make the complete Hayabusa 4-1 and 4-2 exhaust systems for all of the GEN I & GEN II models, we are the Hayabusa exhaust specialist.

2 Year Black Widow Unlimited Mileage Warranty.