BD Super B Special 15k miles, no in and out play, and minimal up and down. Specs are 64.5/72 .80 AR. Flows 1160 cfm of air. Great towing turbo, now surging issues what so ever! Selling to go bigger for pulling in the 2.6 class. Also, I'm selling an ATS 2-piece 3rd gen T3 exhaust manifold and...