[TTP Engineering]

Friends are great. Especially the ones who sneak your new Evo X GSR away while you are not home in order to surprise you with an extra +75whp to propel you around town. Armando wanted to surprise his good friend by giving him the gift of horsepower. This gift came in the form of TTP-Engineering custom dynotuning.

Now we would love to say the car had a huge turbo with meth injection, 2 stages of nitrous and make it real exciting, however in this case, the car came in stock.

After strapping down the car, we loaded our proprietary ECU remapping for MIVEC control, ignition timing, boost mapping, fueling, limits and so on. If you have been following the last few Evo X tuning threads of ours, you may remember us stating that some Evo X's come in with stronger wastegate settings than others.

In this case, the car was one of the weaker ones maxing out at about 23.5psi with stock boost hitting about 20.5psi peak. We knew we could safely increase the boost, but at near 100% duty cycle on the boost control solenoids, there just was no way for the car to go higher without a little assistance. We used our prototype TTP-Engineering boost line into stock BCS, which does not require removing any stock boost pills or adding any new ones, is reversible and simple to install. This allowed us to remove a few % duty cycle on the OEM BCS units while still able to achieve 26psi peak boost.

It worked just as anticipated. Armando's ride was tuned to maximum duty cycle on stock BCS and lines and then updated with the TTP boost line. The gains were 18whp and 26ft-lbs of torque.

Here is the graph of the final power and torque overlayed with stock:




Here is the graph of the maxed stock BCS overlayed with the TTP boost line: