This sensor is as far away from the turbo as possible. Because the sensor is as far away from the turbo as can be, the accuracy of the mass-flow sensor is far superior to some of the other kits on the market. What this means to you is excellent idle, drivability and power. Our mass-flow kits utilize the P1SC air/fuel ratio calibrator.This is a laptop programmable unit which allows for fine adjustments of your air/fuel ratio.You can also upgrade to the FTC.Fuel Timing Calibrator which gives you the ability to control timing retard.All SFR MAF systems utilizes a 75 MM hot-wire mass-air sensor. These systems come with temperature, barometric and altitude compensation as part of the package. You also have the option of stainless-steel or aluminum piping which is TIG welded. Along with all this you also receive all the necessary hoses, clamps, connectors and wiring harness as well as complete instructions.