Quote:
Originally Posted by bcredliner
Dinan, in the case of the 4.6 closed cold air box with K&N filter, states the gain in HP and torque you can expect. No, I did not confirm their numbers. However, I have confirmed that the stated hp and torque for the all of the Dinan mods I have, which includes the air box, exceeds their claims.
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At least the Dinan air intake is sealed and not drawing in hot air from the engine bay. I wouldn't attribute their claimed gains to the K&N filter. Interesting that they have taken many of their cold air intakes and claims of hp gains off their web site, leaving the ones for turbocharged models.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
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