MMR vs Steeda (Air Intakes)
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Join Date: December 18, 2004
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MMR intake does make rwhp gains, you probably need to adjust your A/F mixture from 1500 to 6000 RPM though as the intake causes the CPU to richen the fuel mixture. My SCT tech had to send me a second tune to adjust for this after he had several customers install MMR and provide before and after dyno results with A/F ratios. With the way this new computer handles aftermarket changes I cant see anyone safely increasing horsepower without involving a computer tune.
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tj@steeda
2015 - 2023 MUSTANG
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9/24/15 08:15 PM