Caterpillar 120 pin ECM tuning MORE HP BETTER FUEL MILLAGE MXS, NXS

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Cat Flash Files We Have literally thousands of flash files for the 120 pin Ecm. We have 475, 550 hp heavy hauling files, 625 hp. And with the high perforrmance FLS/FTS codes to go with it. We will make your truck perform better than you ever thought possible from just a software update.            Shipping Ship your ecm to us, we will tune it. And ship it back to you same day or no later than the following business day.If priority 3 day mail is fine. We will ship it back to you free of charge. But if you require a faster shipping method. The buyer would be responsible for the cost of return shipping.What im offering you today is a software update and custom settings to your existing ECM. With this update you will have more Hp, increased Torque. And will have better fuel mileage.  We have seen trucks gain anywhere from .5 to 1.5 Mpg. And with the added Hp, you'll get around slow joe with no problem.  The 120 pin ECM This listing is for the MXS,and NXS 120 pin Ecm. This listing is NOT for the SDP serial.            Payment  We accept Paypal as payment.