AST 09/1991-1998 Opel Astra Lowering Springs - 35mm/35mm 2002-gmc-savana-2500-slt-esi3654316 This Cat-Back(tm) features a dual

This Cat-Back(tm) features a dual 3" system WITHOUT exhaust tips for those who wish to retain the factory tips

Air Locker

Unique One-Piece High Qualit y Housing w/ Sight Window: A custom computer designed roto-molded housing eliminates the use of multiple components and ensures the coolest air intake charge available

Accurate On-the-Fly Monitoring with Over 25 Parameters for Every Vehicle

AST 09/1991-1998 Opel Astra Lowering Springs - 35mm/35mm 2002-gmc-savana-2500-slt-esi3654316 This Cat-Back(tm) features a dualThe 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