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      10-02-2012, 03:20 PM   #11
chuxdelux
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Drives: 2005 e46 m3, 2013 Jetta TDI
Join Date: Jul 2011
Location: Honolulu,HI

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Quote:
Originally Posted by Malek@MRF View Post
The increase in power could very well be from the new tune.

Larger primaries usually always require the motor to be tuned. If Motorsport24 is using the same primary tube diameter as BMW M, then these headers have no purpose at all. These would be paired greatly with a higher displaced motor.