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Old 11-29-2011, 11:55 AM   #65
Registered User
Join Date: Apr 2011
Location: newport news va
Posts: 107
My Ride: 328i
Not to mention I lost power after my header install becuz these n/a motors need the back pressure from the exhaust mainfolds and u can have the biggest manifold in the world If it's pulling air through the same throttle body ur gonna lose hp also from the loss of air speed.the fuel will not atomize properly and cai is irrelevant on a Dyno ur gonna be drawing hot air reguardless if the car is stationary. U can be mad that ur "mods" have no benifit and are actually causing a loss of power
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