AST 97-05 Alfa Romeo 156 Lowering Springs - 25mm/25mm 1991-ford-mustang-lx-esi2478684 The system has BORLA(r)'S Polyphonic

The system has BORLA(r)'S Polyphonic Exhaust Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Unleash performance gains of up to +10 HP and +11 lbs

Bilstein B12 (Sportline) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Sportline) springs that provide extreme lowering between 30-60mm (depending on application)

9 Nm at 6150 rpm were achieved under controlled conditions and with a weight saving of over 20% against the stock system

AST 97-05 Alfa Romeo 156 Lowering Springs - 25mm/25mm 1991-ford-mustang-lx-esi2478684 The system has BORLA(r)'S PolyphonicThe 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