4-2 Downpipes Fits: HONDA CBR1100 BLACKBIRD all carburettor and fuel injected models 1997-2007 - Accepts original O2 Lambda sensor. - Blanking bolt provided. - Compatible with OEM silencers or any that fit the standard downpipes. - Downpipes weigh in at 3.4kg - Downpipe Material: 304 Grade Stainless steel. - Spring fit design. - No re-jetting or modifications required. - Includes all required gaskets, 4 x engine port gaskets, 2 x silencer gaskets, anti vibration rubber coated Springs and new silencer clamps. - 2 Year Unlimited Black Widow Warranty.
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