UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road Use Exhaust Down Pipes Headers Fit: Yamaha YZF-R6 2006 - 2024 RJ27 - Hand welded pipe work made from 304 grade stainless steel. - Developed in 2017 by the Black Widow Performance Team.. - Improves power with considerable weight saving. - Down pipes/collector weigh 2.90kg compared to the standard weight of 7.50kg. Saving an impressive 4.6 kilos. - The best power to weight gain you can make, no changes to the ECU required. - Black Widow worked with two teams in 2017, Team UWTSD Orthrus Racing (#52 Sam Mousley) with over 115 BHP at the rear wheel with under 98DB (when using our 300mm long silencer), Independent rider Charlie Paterson #62 also under 98 DB (when using our 300mm long silencer).
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