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The SF3 Power Flash arrives Pre-Loaded with DYNO Proven tune files that INCREASE HORSEPOWER and TORQUE! Programming your vehicle with one of SCT's pre-loaded performance or fuel economy tune files is as easy as 1-2-3. Simply plug the OBDII connector into your vehicle's OBDII port, select the pre-loaded tune file using the simple to navigate menu and within minutes the SF3 programs your vehicle. This product is not legal for sale or use in California on pollution controlled motor vehicles.
Part Number: 37-40050 SC
2003 Mercury Marauder Engine Tuner
Type: SCT Performance Tuner
Fits: SCT SF3 Power Flash Programmer - 4.6L Engine