Bilstein B4 2004 BMW 525i Base Front Twintube Strut Assembly Dodge-Sprinter-3500-2005 Replacing the factory catalysts with

Replacing the factory catalysts with our 100 CPSI HJS race cats

while on valve open

45 lbs vs 25

4 lb Factory)+  All Soul Performance Products exhaust components are backed by the industry’s first and finest Lifetime Warranty for both street and track use+  Designed and built in-house at our Willow Grove

They work with the factory exhaust

Bilstein B4 2004 BMW 525i Base Front Twintube Strut Assembly Dodge-Sprinter-3500-2005 Replacing the factory catalysts withBilstein 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. This Part Fits: Year Make Model Submodel 2004 2007 BMW 525i Base 2008 2010 BMW 528i Base