what is the max boost levels on stock engines. i heard that 40 lbs. of boost is excessive even though my attitude says i get 40 lbs. when i'm trying to beat my brothers ford 6.0. for some reason i just can't catch him. he has banks intake, six-gun w/ pda, and banks exhaust.
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'06 MEGA-CAB 2500 4X4 EDGE JUICE W/ ATTITUDE, K&N FILTER, 5" TURBO-BACK W/ FREEFLOW MUFFLER.