Exhaust Down pipes Fits: Suzuki Bandit (Water Cooled Models) GSF 650 2007-2016 GSF 1250 2007 - 2016 - Developed by the Black Widow RD Department. - Full bore 38mm down pipes, unrestricted collector section, upgraded internals for maximum gas flow. - Designed to be the lightest possible, weighing in at a featherweight 3.5kg (original Suzuki headers weigh 8.3kg). - Upgraded free flowing collector section with improved gas flow. - Accepts the original Lambda sensor (O2 sensor) and the larger M18 specification sensor (adapters included as standard). Blanking bolt is also included for those opting for professional bypass set up. - Spring fit design allows rapid replacement. Individual pipes can be replaced without removing the complete exhaust. - TIG welding by .