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On top, a Trick Flow intake and Twisted Wedge heads went on, fitted with TrickFlow 1.6:1 rockers. Still on the intake side, a Pro-M 80mm mass air-calibrated for the car's 30-lb/hr injectors-feeds a 70mm throttle body. On the downstream side are BBK 151/48 -inch unequal-length short-tubes disgorging into BBK's 2.5-inch . These basic bolt-ons, combined with BBK underdrive pulleys, accounted for 291 hp and 313 lb-ft of torque on DaSilva Racing's chassis dyno, and 13.3-second/108-mph timeslips with its present 3.73 gearset.