AST 2004-09/2010 BMW X3 Lowering Springs - 40mm/30mm 2010-chevrolet-silverado-1500-lt-esi1750949 or spills to drain to

or spills to drain to the outside of the vehicle and not to the inside

Borla(r) system does NOT contains NPP valves

Powder-coated aluminum blocks

Add optional resonator 60707 for additional sound control

AST 2004-09/2010 BMW X3 Lowering Springs - 40mm/30mm 2010-chevrolet-silverado-1500-lt-esi1750949 or spills to drain toThe 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