AST 11/2007-12/2015 Audi A4 Lowering Springs - 20mm/20mm 1974-ford-country-sedan-base-esi8452512 It provides a smooth transition

It provides a smooth transition for the air from the Takeda air intake tube to the turbo with the minimum restriction

Includes Pro 5R Filter

Free iOS and Android mobile app to monitor and inflate air springs

Prevents Performance Loss Under Extreme Work Conditions

AST 11/2007-12/2015 Audi A4 Lowering Springs - 20mm/20mm 1974-ford-country-sedan-base-esi8452512 It provides a smooth transitionThe AST Lowering Springs reduce your cars center of gravity while maintaining the comfort of OEM springs. Designed as a direct OEM replacement, they are vehicle specific and crafted with premium materials on top quality Wafios coiling machines. Their progressive design balances a lowered stance with enhanced performance. With compatibility across over 3,000 models from 1966 upwards, these springs suit a wide range of vehicles. Backed by a lifetime