SmoothBoost Whipple 2.9 bypass actuator boost controller GM truck 5.3/6.2

$ 692.50 · 4.6 (685) · In stock

Boost scramble mode to over-ride lower boost setting. Get rid of any of the annoyances associated with a Vacuum actuated bypass valve. Great for use with BIG CAMS that don't make enough vacuum to operate the bypass valve correctly.
Boost scramble mode to over-ride lower boost setting. Get rid of any of the annoyances associated with a Vacuum actuated bypass valve. Great for use with BIG CAMS that don't make enough vacuum to operate the bypass valve correctly.