BMW N54 135 335 Turbo Kit

The DOC Race turbo kit is the ultimate turbo kit for your street machine!  They come complete with all necessary hardware to install and is listed below.  The kits come with Precision turbos because they are leaders in the industry for offering top performing products that are reliable so you can make good power and not have to service your turbo for years to come.  You can choose from your choice of a 5862 up to a 6870 with horsepower ratings from 640hp up to 1100hp (ratings below).  Included is a T4 twin scroll manifold which is the heart of this turbo kit.  Our manifold has been redesigned (9/20) to now be a one piece design for ease of installation.  It was put to the test by a handful of very high performing race cars before attempting to fit to our test car.  With the design it is capable of producing well beyond 1000hp for anyone looking to really push the limits of this platform.  To control all of this, boost is regulated by a pair of Turbo smart 40mm wastegates which are moun