Review: Motordyne E370

370Z JT

First of, I did not make this thread to bash Motordyne. I have supported Motordyne in the past with the M370 manifold and ART pipes. I even did before and after pulls for the M370 as well and it performed as expected. This was an independent review on an exhaust that have been talked about heavily leading up to its release. I am hoping some members can appreciate the review and make an educated choice in buying their next CBE purchase.

Tony posted his ideas on why the E370 didn't 'outperform' the Invidia, why the curve was smoother with the E370, and that the E370 wasn't tuned for timing to maximize gains.

If the Invidia was tuned for timing and AFR while the E370 was tuned only for AFR, wouldn't this be considered an unfair, slanted dyno comparison? Wouldn't it be it in Tony's interest to ask why the tuner didn't modify the timing tables for the E370? If Tony didn't want to direct the tuner on what to do, he should have told me and I would have gladly insisted on timing tuning. I am the one paying for the re-tune. In addition to that, the same timing tables that were already in place for the Invidia, would have also be in place for the E370. Would timing tuning really make a measurable difference then?

The Invidia baseline tune was not optimized for the boltons on the car and the dyno plot still matched dead on with the E370, albeit it being lumpy. We can agree if the Invidia baseline was re-tuned, the baseline curve would be just as smooth as the E370, and with additional HP. Yes, the Invidia baseline was reaching ping. However, all the Invidia would require is a re-tune to obtain a smooth curve.

As for the 'buyer beware' comment, that was meant for members in the market looking for a new CBE. To encourage them to do their research before choosing a new exhaust.

I am not disappointed the E370 did not make any PEAK hp. I am complaining that it did not make any gains, anywhere under the curve. The E370 did not have any performance benefits over the Invidia Gemini. Everyone is right. I had very high expectations. If Motordyne believes these numbers are acceptable, then more power to them. If these numbers are satisfactory for everyone then so be it. Not many would have guessed the $800, made in Taiwan, Invidia Gemini would give the E370 a run for its money.

I will consider your $1400 shipped. I will drive it a bit more to break it in and see what happens. As of right now, E370 exhaust + ART pipe combination is too loud for a DD in my opinion.

Spacers are included so clearing the diffuser will not be an issue.

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