Looking to get the most out of your Triumph Bonneville Mag Wheel? British Customs has assembled its best selling performance upgrades into one package. Each product in this package has been designed and tested to work together to give you the best performance gain for your dollar. Combing the BC Air Injection Removal Kit, BC Air Box Removal Kit and British Customs Sleeper Silencers into a cost savings package allows you to get the power you want at the best possible price. The package saves money on labor and time by allowing you to install all three performance upgrades at one time; British Customs takes the guess work out. British Customs has tested and developed fuel injection maps that work specifically for each performance package.