K5238A - FOR 2004.5, 2005, 2006 EARLY 2007 - DODGE 5.9L CUMMINS DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 5" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - TURBO BACK (OFF-ROAD) SINGLE - FEATURES TRUE 5" DOWN PIPE