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Compatible with original Hayabusa silencers and any aftermarket silencers that are currently installed on your original headers. Designed for optimum performance. Race specification 304 grade stainless steel pipe work. Tuning compatible, accepts the standard Suzuki Lambda sensor (O2 sensor) and larger M18 race sensors (adapter bolts included), blanking bolt supplied for those opting for a professional set up. Collector section is straight through with no internal restriction. TIG welded by hand for superior internal gas flow (internals are smoother than conventional welding) Our lightest ever design, weighs in at a featherweight 3.5 Kgs (7.7 lbs), half the weight of the original downpipes / headers at 7 Kgs (15.4 lbs) Four engine port gaskets included. Springs pre-fitted with anti-vibration rubber sleeves.

Compatible with original Hayabusa silencers and any aftermarket silencers that are currently installed on your original headers. The latest upgrade from the Black Widow Race Department. Designed for optimum performance.. Race specification 304 grade stainless steel pipe work. Down pipe diameter 38mm, ensures a perfect fit with no requirements for tuning. Tuning compatible, accepts the standard Suzuki Lambda sensor (O2 sensor) and larger M18 race sensors (adapter bolts included), blanking bolt supplied for those opting for a professional set up. Collector section is straight through with no internal restriction. TIG welded by hand for superior internal gas flow (internals are smoother than conventional welding) Our lightest ever design, weighs in at a featherweight 3.5 Kgs (7.7 lbs), half the weight of the original downpipes / headers at 7 Kgs (15.4 lbs) Four engine port gaskets included. Springs pre-fitted with anti-vibration rubber sleeves.

Compatible with the original silencer/muffler or any that is fitted to your original headers. Identical connection specifications as the original. The latest upgrade from the Black Widow Performance department. Accepts original lambda sensor, no fault codes will appear. Plug and play, no ECU remapping or modifications. Tig welded for smooth internals, increased internal gas flow and performance. Ultra-light specification stainless steel 4.2 / 9.3 lbs in weight, Total weight is reduced by 3.4 KG / 7.4 lbs. ( original headers weigh 7.6 KG / 16.7 lbs )

Compatible with the original silencer/muffler or any that is fitted to your original headers. Identical connection specifications as the original. Made from 1.5mm thick 304 grade polished stainless steel. Made this tough to withstand all year round riding conditions. The latest upgrade from our Black Widow Performance Department, bring your bike up to date with a lighter (5kg), less restrictive exhaust. Our all new spring fit design makes for an easier fitment. Engine port gaskets, silencer gaskets (same size as OEM) and heavy duty silencer clamps included. No re-jetting needed, simply fit and ride.

Compatible with the original silencer/muffler or any that is fitted to your original headers. Identical connection specifications as the original. The latest upgrade from the Black Widow Performance department. Accepts original lambda sensor, no fault codes will appear. Electronic valve eliminator device included with the kit Plug and play, no ECU remapping or modifications. Tig welded for smooth internals, increased internal gas flow and performance. Ultra-light specification stainless steel 3.75 KG / 8.2 lbs in weight, Total weight is reduced by 4.75 KG / 10.4 lbs. ( original headers weigh 8.5KG / 18.7 lbs )