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Old 05-26-2011, 06:46 AM   #21
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Location: Northern Virginia
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Location: Northern Virginia
Re: Installed 75% grille block on my Blazer *pics*

Yeah, when I had one installed on my 98 GMC K1500 I think the only gains I found were from the increased intake air temps, not from any aero improvement. In the end I ripped it out because it was hindering air conditioner performance in the summer.


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