"I BOUGHT A CHIP FOR MY NISMO FRONTIER AND NOTICED IMEDIATE RESULTS. THE CHIP GAVE MY APPROXIMATELY 7OO MORE RPMS AT SHIFT POINTS. INCREASE OF 4L/100K AND 20HP. IT HAS A 6 SPEED MANUAL TRANSMISSION AND NOW PULLS MY MOTOCROSS TRAILER WITH EASE AND GETS BETTER MILLEAGE ! I JUST RECENTLY BOUGHT ONE FOR MY 2004 SRT HEMI RAM AND WILL BE INSTALLING IT TODAY. I HAVE NO DOUBT OF A FUEL MILEAGE AND HP INCREASE."