Attitude Fuel Controller, my kit was about 7400 with the extra components to run higher boost, 3/4 gallon surge tank, with upgraded fuel pump and regulator, go to impulseturbo.com and they have prices on their
The exhaust is alittle on the loud side but quieter than a side exit 2-stroke turbo. One of these times we will send the exhaust out the back sideways behind the left foot.