I must admit the concept has merit. All my training has led me to eliminate flat surfaces and right angles in an intake or exhaust system to avoid turbulence and standing waves that interfere with ideal flow. Pedro has a product and in house testing to back it.
The next step is to get some unbiased, independent testing done to verify the claims. Logging 50 miles or so before re-testing to allow the DME to adapt to the change in plenum will be important. Other companies have developed their own plenum upgrade and testing results have been very mixed so far. I look forward to the results of further testing.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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