B6 Performance Suspension Strut Cartridge 2011 dodge avenger heat esi6191167 This system uses a tuned 2017 ford expedition xlt esi9925686 This system uses a tuned 60 Series style muffler for an aggressive to moderate exhaust tone and increased performance 5" Cat Back™ system features the classic S type sound with no drone inside the vehicle and exits thru single 5" round black chrome on T 304 stainless steel tips on each tail pipe Each damper is rigorously tested for quality that meets or exceeds OE standards B6 Performance dampers will provide improved safety and handling performance with the added benefit of world famous Bilstein quality