The MPS Nitrous spray system,used 4 individual jets for exact distribution of nitrous to each cylinder, this eliminates the issues with uneven distribution associated with larger nitrous shots in dry nitrous systems. The MPS spyder system is capable of adding up to 200hp when used with the correct components.The gen 1 busa 99 to 07 , needs two short intake stacks.The kit will be supplied with 40hp jets unless specified differently.It can be used with or without the airfilter.The MPS Spyder kit is available for most large capacity injected sports bikes,