- Camaro How to Replace Air Filter<br>Step by step instructions for do-it-yourself repairs.
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A K&N filter was shown to gain absolutely nothing in terms of power. I'm sure it would do a better job at filtering though.
CAI's can vary quite a bit from manufacturer to manufacturer. Size, placement, filter used, and heat shield fitment plays a huge roll in getting the absolute coldest air into the intake. Radiusing the tube intake can make a fairly noticeable difference as well. Take Hennesey's intake for example. It's a $500 POS that has no heatshield at all and was the worst CAI they tested. It barely showed any improvement over the stock box and in some instances it was worse. Take the same design and add a good fitting heatshield to it and it will gain 5-10whp more. It's not just about getting a big *** tube with a filter on the end of it. There is a little science and experimentation to it.
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