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09-10-2021, 07:21 AM
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#32
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MFJWADE
Drives: 2018 BMW M5
Join Date: Dec 2020
Location: MD
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Quote:
Originally Posted by AngryInch
Well I did a few hits tonight. Air was cooler, catless DPs installed. I got very little to no gains in mph or time from stock exhaust, very surprised, those stock cats must flow really good.. this was map2 JB4, 94 pump gas.
Looks like I gain 0.50mph in the 1/8th, 1/4 about the same.
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what was the DA?
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