Kit Includes all coolant and oil connections to connect turbo to factory lines. The Turbo is efficient up to 20-21 psi on the MS3 2.3L turbo engine and can produce 450 crank HP The GT2871R is very responsive on the 2.3L turbo engine and is very commonly used for best all around power up to 400 crack HP. Highly recommended for a very broad powerband .
Note, when upgrading turbochargers, supporting mods (fueling, etc) and proper tuning is always recommended. 3" intake pipe and 3" downpipe also available to maximize the turbos output.
Picture shown is of the Garrett GT3071R Mazdaspeed 3 kit. This kit will look the same, only with a Garrett GT2871R turbo.