XDP Cummins 6.7L CAT Filter Adapter XD391 2007.5-2009 Dodge 6.7L Cummins Enhance fuel filtration efficiency and serviceability in your 2007.5-2009 Dodge 6.7L Cummins with the XDP Cummins 6.7L CAT Filter Adapter XD391. The XDP Cat Filter Adapter features...