big difference between the GT25 and the GT25R. Which one are you getting? Also, where are you getting it from, b/c different company's use different terminology for the same turbos. The GT series is the most misunderstood genre of turbos out there. Its important to know which and where you are getting it from. GT25 is same as stock but Ball Bearing, flows about 250-270whp max. GT25R is MUCH different, requires grinding of the motor mount, custom hot pipe, custom intake, custom water and oil lines, custom actuator bracket and you absolutely will need injectors and a maf upgrade. Running a GT25R at 8psi is stupid, you are negating the benefit of running this turbo. It's much happier at 15-19psi
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