GT3076R bolt on turbo kit for Mazdaspeed3. Garrett GT3076R turbo with ATP proprietary exhaust housing and internal wastegate all ready to bolt up to Mazdaspeed3 exhaust manifold and downpipe. Includes all coolant and oil connections to connect turbo to factory lines. Turbo is efficient up to 26 psi on the MS3 2.3L turbo engine and can produce over 500 crank HP as configured with supporting mods and proper tuning. Does not include 3" inlet pipe and 3" downpipe necessary to complete a "kit" in order maximize the turbo. The GT3076R is a great spooling turbo and is the benchmark for making 500HP. Spools about 500 RPM's later than the GT3071R on the same 2.3L engine.