GFB EX44 EXTERNAL WASTEGATE 4B12 * over 450hp with -10AN

* over 450hp with -10AN / -10AN Breathers (requiring weld on -10AN bung to be welded onto metal valve cover )

Feature Description

The advanced anti-shudder additives and friction modifiers ensure the transmissions perfect operation under any condition and in any climate

Successful race engine builders are constantly pushing the limits of load capacity to new levels

you get the reward of an aggressive exhaust note

GFB EX44 EXTERNAL WASTEGATE 4B12 * over 450hp with -10ANThe EX44 features a 44mm valve and comes standard with 15psi springs installed (1 x 10psi outer and 1 x 5psi inner spring). By removing one or the other spring, you can achieve base boost pressures of 5psi, 10psi, or 15psi. Also available is a 7psi middle spring, which can be used in various combinations with the supplied spring to achieve base boost pressures of 5, 7, 10, 12, 15, 17, and 22psi*. When it comes to external wastegates, some things you