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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 02-24-2008, 02:57 PM
6pack 6pack is offline
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Join Date: May 2007
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Default Re: H3 Engine Performance Up-grades

With what I did in my sig, I noticed a nice improvement (prior to the 35" tires). The K&N without the resonator is quite loud, especially over 4k rpm's, and that's where you notice the power the most with my setup. Not to usefull for the trail, but nice on the highway. I had a Jet chip on a previous truck and didn't think it did anything. I wouldn't spend money on one of their products again.
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2007 H3 Lux/Adv 5 speed, Gibson Extreme Duals cat-back, K&N FIPK, PCMforless tune, SAW torsion bars, Samco Shackles, Fox Racing shocks, Trail Duty Bump Stops, 35" ProComp Xterrain tires w/Tactical Rims, Gobi Stealth Rack

Last edited by 6pack : 02-24-2008 at 02:59 PM.
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