owners can choose between the classic blow-off valve sound afforded by the Dual Port's 50-50 split between recirculating and vent-to-atmosphere operation

Anti-squat adjustment

featuring innovative oil-cooled technology and lightweight stainless steel investment cast turbine housings

and allows for a much wider boost range between minimum boost and maximum boost

as well as a custom designed bracket and rod

90 Elbow 2.50" Blue" JR39 owners can choose between theHigh performance multi layered Silicone hose. Constant temp resistant from 50 to 170 degrees Celsius ( 60 to 340 degrees Fahrenheit) and pressure rated to 220PSI with a 5mm wall thickness. Engineered to Win by Turbosmart.