DME Racing’s Mark 1 Exhaust Header

FREE SHIPPING DME Racing’s Mark 1 Exhaust Header features our unique reversion cone that creates back pressure naturally to deliver performance gains on the race track. The Mark 1 is available in two styles for high horsepower naturally aspirated motors and nitrous bikes. Our Standard Pipe for bikes that are naturally aspirated, that sometimes use nitrous, features a step from 1 3/4″ to   1 7/8″. Our Pro Nitrous Pipe for naturally aspirated systems that use all nitrous, features a 1 7/8″ diameter pipe. Features Reversion Cone Fits flush with the bottom case.  Will fit motorcycles that are short-necked and de-raked. Some bikes require modifications of the radiator. ZX 14 radiators will have to be cut.  All systems are made to order and take 3-5 weeks to build on average however times may vary.