Quote:
Originally Posted by stillsearching
Which made me wonder why not just have an exhaust cutout to completely route around the turbocharger when not wanted or needed? Especially with some of those newer rear mount turbochargers this would not be as inconvenient as doing underhood anymore.
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Most turbochargers either have a wastegate (aka turbo bypass valve) or the variable vane turbochargers you can adjust how much boost you get with the variable vane setup. Both are typically vacuum actuated and it is very easy to manipulate them or replace their actuators with an electric actuator to gain full control over the turbo and how much boost pressure you get.