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      02-15-2013, 05:50 PM   #3
dk79
First Lieutenant
United_States
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Drives: 2018 F90 M5 Marina bay blue
Join Date: Feb 2013
Location: Gilbert, AZ

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have you timed your car?

have you timed your car?
what numbers did you get?
ess told me that if i get the downpipes they can increase the boost by 1 psi and let the boost run higher at higher rpms i believe that wud give me atleast 0.3 to 0.5 sec improvement.
what do you think?
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