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Adjustable Boost Elbow allows you to increase the boost on your turbo to above the 21psi stock setting and up to 35psi or more.
Converts a straight discharge to a 90* discharge. Needed for 3rd gen Cummins if using a turbo with a 2nd gen Cummins compressor cover. For S300s.
Aluminum 90 degree Elbow - fits a S400 v-band covers & GT42 style cover.