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Old 10-31-2013, 01:52 AM   #15
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Location: North America somewhere
Posts: 12,300
Originally Posted by jerichorick View Post
I don't understand your enthusiasm for K&N. It is the worst or next to worst filter of those tested. As I said earlier in summation. Don't sacrifice quality for convenience on a diesel. The risk of damage is not worth the cost of repair and downtime on your DP. As good as many think Amsoil is, I won't even risk my equipment to it. I use Royal Purple. Maybe I am just a fanatic.
I didn't finish my comments, which totally wrecked my reply. After using the K&N filter for a year, I cleaned and re-oiled it per instructions. Only while re-installing it did I see the light dust in the ductwork to the CAC. I immediately went back to using a stock Dodge air filter. There is only one way to increase air flow, all other conditions remaining the same; reduce air restriction through the filter media. With the cost of a new gas engine hovering around $7K and a diesel around &13K I'm not going to take any purposeful risks of damaging an engine, whether it be using sub-quality filters or increasing engine output beyond mfgrs. rating.

2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert theConstitution. "Abraham Lincoln"
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Old 10-31-2013, 04:47 AM   #16
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K&N #33-2154 fits the 2006-2013 F53 Ford V-10s. Been using K&N's for 30 years in 15+ vehicles for more than 500,000 miles with no down stream dust, no problems at all, gets better throttle response (even wife notices), always gets better MPG, and I don't have to buy another air filter (cheaper in long run). They flow air even dirty, but seldom need cleaning (my experience not advertising). If any dirt gets buy it's burnt up in combustion and exits.

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2015 Fleetwood Discovery 40E on a Freightliner XCS chassis with a Cummins ISL9 pulling 1 and/or 2 motorcycles, '07 Honda Accord OR a 17' Runabout Boat.
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Old 10-31-2013, 08:17 AM   #17
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Thank you for all the informative responses, bought a wix yesterday and will continue my quest for info including some given in the responses

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