Bilstein B4 OE Replacement-Suspension Strut Assembly (22-252944) 1111 Porsche uses Helical exhaust valves

Porsche uses Helical exhaust valves on their GT3 mufflers because the valves are bullet-proof silica carbide

6 2007 GMC Acadia Engine: 3

2000 Honda Prelude Base Coupe 2

Part # 827-515WB) for 2005-2006 Scion tC 2

Bilstein B4 OE Replacement-Suspension Strut Assembly (22-252944) 1111 Porsche uses Helical exhaust valvesBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Notes: It's recommended to replace shock or strut in pairs (passenger and driver side at