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)
Compatible with original GSX1300R Hayabusa silencers and any aftermarket silencers that are currently installed on your original headers.
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.

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Black Widow 4-2 De-Cat Performance Exhaust Downpipes For Suzuki Hayabusa (2022-2023) Black Widow 4-2 De-Cat Performance Exhaust Downpipes For Suzuki Hayabusa (2022-2023)