I added to K&N Filter today and left the top of the box off......noticed it was louder for sure. A little to loud for my taste so I put the box top back on. I'll let everyone know if my mileage picks up.
2012 Sterling Gray/Titanium/Sport Handling Pkg/NAV/Winter Pkg/Rapid Spec/Remote Start/K&N
Order Date: May 23, 2011
Born Date: June 20, 2011
Delivery Date: June 29, 2011
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