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Old 05-19-2020, 01:12 PM   #29
solidONE
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Quote:
Originally Posted by DarkSunrise View Post
It's interesting that with the same tuner (Zach) on the same dyno (Racer's Line) and both running E85:

- the JDL 4-1 EL header made 209 whp
- the JDL 4-2-1 EL header made 195 whp

The shape of the torque curves are pretty similar, but the 4-1 EL header seems to hold power higher in the RPM range.
I wonder why the P-Tuning 4-1 doesnt do so well in the mid-range torque dip area. They even considered the firing order designing the pipes. It's the most well made header for this car on the market, I think, in terms of craftsmanship. Performance seems to fall a little short.
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