AST 11/2015-01/2019 BMW 3 Lowering Springs - 35mm/25mm 2011-gmc-sierra-2500-hd-slt-esi4711931 For use with factory air

For use with factory air intake system

Gore-Tex Breather With Pressure Tested Seals

Silicone Couplings

5 IN tall conical Pro 5R performance air filter for maximum flow

EPDM molded robber components for high UV resistance

AST 11/2015-01/2019 BMW 3 Lowering Springs - 35mm/25mm 2011-gmc-sierra-2500-hd-slt-esi4711931 For use with factory airThe 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