When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If you look at your LS2 intakes-you have air coming in to them on "2 sides". Cut a hole or 3 in your shroud and you will accomplish just as much as you would spending 300-400-500 bucks on some filter. The answer to your question is no. K+N filters do not filter the air as well as OEM either,which is another down side. That's not my opinion,that's test results posted somewhere on this forum years ago. VARARAM will get you a little gain at speed. Again though,my experience with that is that a lot of dirt and other stuff get up in there and remain trapped. It's a pain to take it apart to get at the filter and clean it a lot. Do headers if you want real gains. At the end of the day,it cost more but you get what you pay for!
Where would you cut the holes in the shroud for this mod?