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      12-21-2012, 09:56 AM   #6
Its_lobelt
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Drives: 2015 M4
Join Date: Apr 2005
Location: Los Angeles

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To give you a little perspective using my car as an example.

All Stock - Dynos 362 whp on a DynoJet

Full Exhaust HFC's, tune and 20" wheels - The car dynoed 347 whp on a DynoJet

So there is a significant difference
Appreciate 0