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Ronnie's 2015 STI - E85 Torque Monster!

Posted by Ed Susman on

Here is a 2015 STI we've tuned a couple times. This time the customer added a Tomei EL Header and Process West TMIC and brought it back for some fine tuning. With this combo and our tune at 23psi peak, this car is now making insane amounts of torque and some of the higher power we've ever seen on a stock turbo. Here is the dyno chart on E85 at 23psi tapering to 15psi by redline:


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