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      08-19-2020, 12:23 PM   #167
Alex@Alpine
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Drives: E90 M3
Join Date: Feb 2010
Location: United States

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Quote:
Originally Posted by unkle_uber View Post
For people running stage 1 (stock everything) who later decides to add on just an aftermarket intake kit but still retaining stock x-pipe and primary/secondary cats, is there a different stage 1 map to take into account for the aftermarket intake kit ?

Or will it still be the same stage 1 map with no changes?
It is still stage 1. The factory intake is cold air ram to the grills. Most aftermarket intakes do not gain or end up losing power.

A drop in filter is sufficient.
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