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 . <EOS>