Posted by Dan H on Tuesday, September 20, 2005 at 0:40AM :
In Reply to: Aftermarket Cummins air intakes posted by Ron in Indiana on Monday, September 19, 2005 at 12:51PM :
I installed a K&N filter in the stock air box. I noticed a slight performance upgrade and maybe .5 to 1. increase in mpg. You can now hear the turbo whistle, where as before you could only hear at idle when close to the rear exhaust. Good luck Dan H