Full power race specification collector, no internal restrictions.

Ultra light pipe work weighs 3.8 KG/ 8.37 lbs weigh a fraction of the original.

Performance increases of 6-7 BHP can be expected.

Accepts the original Lambda (O2) sensor, no modifications for bikes on standard settings.

TIG welded by hand for super smooth internals for maximum internal gas flow.

Downpipes expand from 37mm to 42mm for increased throttle response and performance.

4 exhaust port gaskets, silencer gasket, central mounting bolt kit, tension springs with fitted anti vibration rubbers are included.

No re-fueling or changes to the original set up are required.

Fitment instructions included.

Silencer comes with Removable Baffle / DB killer

Louder with improved gas flow.

Silencer Material : 304 Grade Polished Stainless Steel

Silencer Body Length excluding tips = 400mm

Silencer Body Diameter = 110mm

Silencer Code: 400SR

See our Silencer Specifications Tab for length & noise levels.

Black Widow make the CB600F, CB650 Neos, CBR650, CBR900, CBR929, CBR954, CBR1000R and many other race bred exhaust systems, we have applied the same engineering upgraded to the CB1000R headers.

2 Year Black Widow Unlimited Mileage Warranty.