I have the Power-Max 3 with the ajustment gauge. That I can take it from stock settings (0 on gauge) to (9 - max Power setting) 6 on the gauge is the same as power max 2 If you have not bought your power max yet I recomend getting the power max 3 with ajustment gauge. the boxes cost the same as power max2 the add on gauge is $100 more, but it is worth it. I bought mine from Peirs at BD he can answer any other ?. Sorry for going off on a tangent
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I have no problems and the power is like night and day WOW what Power.
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Unit has been installed for over 4 months. P. S. my truck and trailer is 16,400lbs I can get to work sites at any speed I want.
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Jeff Allan
31D 81199
2000, 3500,4x4, 355 gears Laramie SLT, BD valve Body, BD Torgue Convertor, BD pressureLoc,#14cm wastgate turbo housing, powermax 3 adjustable, stage 3 injectors, custom dual 3" exhaust with dual 4" barrel tubes behind rear tires. Trailmaster SSV shocks, ISSPRO Turbo boost, EGT gauges in piler, K&N air filter, bushwacker fender flares, black nerf bars, hellwig spring helpers, Let the BOMBing begin