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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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Old 07-02-2005, 11:54 AM
ChevyHighPerformance ChevyHighPerformance is offline
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Join Date: Jul 2005
Posts: 278
ChevyHighPerformance is off the scale

I have many tech questions for the people that have done some performance modifications:

1) From reading the forum, it seems that so far the best intake mod is to just use the K&N filter that is made for the Colorado E-0773 and the stock air box. Is this true?

2) Has anyone bypassed the resonator in the intake and saw a power increase?

3) Has anyone ported the throttle body/bypassed the coolant and saw a power increase?

4) Does the aftermarket exhaust really make 12 HP as advertised?

5) Has anyone ported the MAF sensor and saw a power increase?
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