Bill's Continuing Life

16′ STi Cobb Stage 3 + Killer B Holy Headers Tuned by JohnJohn of Infront Automotive


I was a little disappointed at the numbers so I did some web searches.  I found that a Mainline Dyno is a Inertia Dyno and reports on average 17% lower than a Load Bearing Dyno.  Either way, the car is a blast to drive.  I haven’t really had a chance to open her up yet… maybe tonight.

Baseline without Stage 3 bolt-ons and Cobb Stage 3 before Holy Headers running OTS Stage 3 Map:

3rd Gear Pull

2016 STI 3rd gear cobb stg3

4th Gear Pull

2016 STI 4tg gear Cobb stg3

After installing Holy Headers and JohnJohn’s Tune:

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