Aircharger heatshield box question
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Aircharger heatshield box question - 7/4/2008 9:28:18 PM
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nateratm
Posts: 10
Joined: 9/27/2007
Status: offline
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I''ve had this on my 2007 Silverado for a few months now http://www.knfilters.com/search/product.aspx?Prod=63-3058, but was wondering if the fully enclosed box around the air filter is necessary. It obviously is restricting airflow, but why would the installation instructions call for the box to be installed. Can I just remove the lid of the box? And what effects would I see by doing this? Would I have to clean the filter more often, etc. Thanks.
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RE: Aircharger heatshield box question - 8/6/2008 1:31:25 PM
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steve o
Posts: 5
Joined: 8/5/2008
Status: offline
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nateratm;
IMO, you should run the heat shield and lid. Here’s why:
a) The heat shield box keeps engine heat out of the filter area. Sure, most K&N kits that have heat shields don’t have a lid, but if they made one for this kit there must be a good reason why. Yeah you could run without the lid, but you probably wouldn’t see the HP gain they advertise. And running without the lid won’t change how often you need to clean the filter. K&N’s will go 50,000 miles before you ever have to look at them.
b) The “box” isn’t a sealed box. All the box is meant to do is to be a barrier for the heat the engine puts off. On the other side of that “box”, the filter is still open 360 degrees, as opposed to the factory box that is sealed and draws air through a tiny port in the bottom. And the lid that K&N gives you isn’t a sealed lid; it just sits on top of the heat shield and keeps heat from getting in through the top side.
What indications do you see that the airflow is “obviously restricted”? When I put my kit on I noticed an instant HP gain.
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2006 Silverado 1500HD Crew Cab LT2, Dark Blue Metallic
K&N 77-Series Intake
JBA Ceramic Shorty Headers
Magnaflow 4" Cat-Back Exhaust
Eclipse XA2000 Amp (Bridged)
(2) Eclipse 10" DVC Subwoofers
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