BMW M4 Video: aFe POWER Intake & Exhaust Teaser - Part 1
This entry was posted on July 15, 2014.
We posted previously showing us tearing into the new BMW M4 as we begin development on the aFe POWER Intake System, as well as an upcoming aFe Exhaust System as well. Here is an exciting video showing the M4 in action on the dyno and in the R&D shop.
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