Actually I installed the tires after the programmer and with the improved performance I have not seen a difference with or without the 37's. The only hesitation is when you punch it at 65+ MPH. there is no gear searching or surging. The braking was never GREAT so I really have not noticed a real reduction. The one thing is that the speedometer is off by 10% according to GPS.
The noise is coming from the compressor area. The noise actually stops when I turn the A/C off. If it is not the compressor the only other moving part in that area is the A/C idler/tensioner pulley so it could also be a bearing there.?? I will see today and if they changed anything else I will let you know.
Todd
Black H2 Adventure Series + Luxury, AirForce One intake, Throttle Body Bypass, Gobi Rack w/2" Brackets & 4 PIAA 580 Lights, Alcoa Wheels, Goodyear 37x12.50x17 MT/R, Warn 9.5Ti Thermometric Winch, DiabloSport programmer,160 Degree T-Stat, 2-7" screens in headrests with DVD player and TV Tuner.
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Black H2 Adventure Series + Luxury, AirForce One intake, Throttle Body Bypass, Gobi Rack w/2\" Brackets & 4 PIAA 580 Lights, Xenarc HID, Alcoa Wheels, Goodyear 37x12.50x17 MT/R, Warn 9.5Ti Thermometric Winch, DiabloSport programmer,160 Degree T-Stat, B&B Headers and full dual exhaust by B&B as well, ARB fridge/freezer, Full Audio upgrade.
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