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2008 Hummer H3 Air Intake Systems

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Latest Customer Reviews

K&N 63 Series AirCharger High-Flow Intake Kit Reviews


2008 H3 AIR MOD

Reviewed By ALex B (LAS VEGAS, NV) Reviewed for a 2008 Hummer H3 —3/1/2017 7:56 AM

It is a pricey modification, however the engine sounds better, runs smoother. I cannot say the I noticed any extra pep or torque afterwards. MPG may have decreases a little. Thinking about tuning the engine

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K&N 77 Series Metal Intake Kit Reviews


saves gas

Reviewed By jose l (DORCHESTER, MA) Reviewed for a 2008 Hummer H3 —4/22/2015 4:26 AM

This instake save gas but i also have a tbs so it gives me an extra 2-3 days worth of gas very happy with the product

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Airaid PowerAid Throttle Body Spacer Reviews


Works good

Reviewed By Scott J (NOKOMIS, FL) Reviewed for a 2006 Hummer H3 —1/7/2014 9:49 AM

I put the Airaid PowerAid Throttle Body Spacer on my 2006 H3 Hummer with the 5L engin. At the same time I put on the K&N Cold air intake. They both work great together. I have had it on for 2 weeks and get about 3 to 4 more mpg on the Highway. Also notice an increase in pickup when moving into passing gear. The Throttle Body Spacer makes a small whisteling sound , but not to loud. You cant hear it at all with the radio on. Some people like the sound it makes, but it really is not that noticable.

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Year Range For Hummer H3 Air Intake Systems