GOT AN 06 TITAN,4X4 OFF ROAD PACKAGE. CUT OUT THE AIR BOX,ADDED AN AEM 9" CONE FILTER,HEARTHROB CAT BACK DUEL EXTH.. SENT ECU TO "JET PERFORMANCE". ADDED A SET OF "SUPER SPRINGS". CAN LOAD 2800lbs. WITH NO PROBLEM. WILLL ADD HEADERS AS SOON AS I REPLENISH $$$$s. SHE TURN 16.38 IN THE QUARTER MI. AT 85 mph. RAN IT 5 TIMES W/ THE SAME RESULTS