Just purchased/installed the 63-3070 on my 2011 GMC Sierra Z60 HP 4X4 with the LS327 motor. I already love the unit, very noticeable performance gain, hoping my alredy pretty decent MPG get's even better.
Great job K & N, I did my homework and couldn't find any of your competitors that even came close to the value and perfomance numbers!!
Denny, Florida
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I replaced the standard K&N box filter in my 2001 GMC Sierra C3 with the Cold Air Intake version (FIPK). It took me about an hour to install, (I'm not a mechanic). I immediately noticed a difference in the sound (under the hood)and performance. I have a trip computer in the vehicle and the mileage has also improved, about 2mpg on the highway. I can really feel the difference when I step on the accelerator. The engine fired right up and went through some adjustment (like the idle). I drove it for about an hour. The second time I started it up it seemed to improve even more. So far so good, I like this product.
Eddie Valdez, Santa Clarita, California
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I installed a 57-3023-1 (air intake) on my roomate's GMC pickup 1/2 ton 4wd 4.8 auto about a month ago. He tells me that it is still gaining power and performance every time he drives it and I think the computer is still adjusting to it. He say's he can't step on it from a stop anymore without breaking the tires loose, even on the second gear upshift and what he notices on the highway when coming to a hill it doesn't kick down nearly as often as it used to. I just bought one for my Grand Cherokee, can't wait to see the difference part No.57-1526
Kenny, Wyoming
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| 2010 GMC SIERRA 3500 HD 6.6L V8 DSL - All |
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| 2010 GMC SIERRA 2500 HD 6.6L V8 DSL - All |
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| 2010 CHEVROLET SILVERADO 3500 HD 6.6L V8 DSL - All |
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| 2010 CHEVROLET SILVERADO 2500 HD 6.6L V8 DSL - All |
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| 2009 GMC SIERRA 3500 HD 6.6L V8 DSL - All |
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| 2009 GMC SIERRA 2500 HD 6.6L V8 DSL - All |
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| 2009 CHEVROLET SILVERADO 3500 HD 6.6L V8 DSL - All |
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| 2009 CHEVROLET SILVERADO 2500 HD 6.6L V8 DSL - All |
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| 2008 GMC SIERRA 3500 HD 6.6L V8 DSL - All |
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| 2008 GMC SIERRA 2500 HD 6.6L V8 DSL - All |
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| 2008 CHEVROLET SILVERADO 3500 HD 6.6L V8 DSL - All |
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| 2008 CHEVROLET SILVERADO 2500 HD 6.6L V8 DSL - All |
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| 2007 GMC SIERRA 3500 HD 6.6L V8 DSL - All |
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| 2007 GMC SIERRA 3500 CLASSIC 6.6L V8 DSL - All |
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| 2007 GMC SIERRA 2500 HD CLASSIC 6.6L V8 DSL - All |
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| 2007 GMC SIERRA 2500 HD 6.6L V8 DSL - All |
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| 2007 CHEVROLET SILVERADO 3500 HD 6.6L V8 DSL - All |
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| 2007 CHEVROLET SILVERADO 3500 CLASSIC 6.6L V8 DSL - All |
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| 2007 CHEVROLET SILVERADO 2500 HD CLASSIC 6.6L V8 DSL - All |
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| 2007 CHEVROLET SILVERADO 2500 HD 6.6L V8 DSL - All |
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| 2006 GMC SIERRA 3500 6.6L V8 DSL - All |
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| 2006 GMC SIERRA 2500 HD 6.6L V8 DSL - All |
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| 2006 CHEVROLET SILVERADO 3500 6.6L V8 DSL - All |
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| 2006 CHEVROLET SILVERADO 2500 HD 6.6L V8 DSL - All |
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| 2005 GMC SIERRA 3500 6.6L V8 DSL - w/Round Filter |
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| 2005 GMC SIERRA 2500 HD 6.6L V8 DSL - w/Round Filter |
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| 2005 CHEVROLET SILVERADO 3500 6.6L V8 DSL - w/Round Filter |
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| 2005 CHEVROLET SILVERADO 2500 HD 6.6L V8 DSL - w/Round Filter |
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