BD Diesel Track Master Turbine Diverter Valve - T4-T4 Mounting 1044105

Allows an oversized turbocharger to be used without a lag in spool time; Feeds all the exhaust gas flow through one of the two exhaust turbine volutes initially for bottom end performance; Valve opens up both volutes when set PSI is reached for top end performance; Benefits higher flowing turbine housings for high rpm and high horsepower engines; T6 mounting requires 1044111 T4-T6 adapter; Regulate pressure with 1044103 Control Valve Kit; T4 - T4 Mount; Side Mounted Bracket