06-19-2021, 08:13 PM
Trying to air up tires without a doubler results in the compressor kicking in and out and especially tires that require 120 psi the air compressor won't kick in until pressure drops to about 105 psi which would not be putting air in the tires. With the air doubler, the air flow is slower but the pressure stays up in the 160 psi -180 psi range all the time so the tires are being filled constantly. I would not want to air up my tires using the onboard air supply without the air doubler.