A vehicle having one or more pneumatic wheels, the vehicle comprising: an internal combustion engine including one or more cylinders and an intake manifold in fluid communication with the one or more cylinders; an electrified air system, EAS, including an EAS manifold, and an electrically assisted compressor assembly in fluid communication with the EAS manifold; a central tire inflation system, CTIS, configured to direct air into at least one of the one or more pneumatic wheels; wherein the electrically assisted compressor assembly is configured to supply air at a first pressure higher than atmospheric pressure to both the intake manifold and the CTIS, characterized in that the CTIS includes a secondary air compressor, a reservoir tank, and a CTI manifold in fluid communication with and extending between the EAS, the reservoir tank, and the secondary air compressor, wherein the secondary air compressor is operable independently of the electrically assisted compressor assembly, wherein the CTI manifold includes a series of passageways and valves configured to control the flow of air between each of the one or more pneumatic wheels, the secondary air compressor, the reservoir tank, and the EAS, wherein the CTI manifold includes a first opening open to and in fluid communication with an opening of the EAS manifold, a second opening open to and in fluid communication with an outlet of the secondary air compressor, a third opening open to and in fluid communication with the reservoir tank, and one or more wheel openings, each wheel opening is in fluid communication with a corresponding pneumatic wheel of the one or more pneumatic wheels. an internal combustion engine including one or more cylinders and an intake manifold in fluid communication with the one or more cylinders; an electrified air system, EAS, including an EAS manifold, and an electrically assisted compressor assembly in fluid communication with the EAS manifold; a central tire inflation system, CTIS, configured to direct air into at least one of the one or more pneumatic wheels; wherein the electrically assisted compressor assembly is configured to supply air at a first pressure higher than atmospheric pressure to both the intake manifold and the CTIS, characterized in that the CTIS includes a secondary air compressor, a reservoir tank, and a CTI manifold in fluid communication with and extending between the EAS, the reservoir tank, and the secondary air compressor, wherein the secondary air compressor is operable independently of the electrically assisted compressor assembly, wherein the CTI manifold includes a series of passageways and valves configured to control the flow of air between each of the one or more pneumatic wheels, the secondary air compressor, the reservoir tank, and the EAS, wherein the CTI manifold includes a first opening open to and in fluid communication with an opening of the EAS manifold, a second opening open to and in fluid communication with an outlet of the secondary air compressor, a third opening open to and in fluid communication with the reservoir tank, and one or more wheel openings, each wheel opening is in fluid communication with a corresponding pneumatic wheel of the one or more pneumatic wheels. first opening open to and in fluid communication with an opening of the EAS manifold, a second opening open to and in fluid communication with an outlet of the secondary air compressor, a third opening open to and in fluid communication with the reservoir tank, and one or more wheel openings, each wheel opening is in fluid communication with a corresponding pneumatic wheel of the one or more pneumatic wheels.