Hey, Just bought a 2008.5 CRD with 74k miles. Overland with all the bells and whistles. Have already begun modding since I bought it last month. I have checked on a lot of forums and I could not find anyone that Has done a full performance Air intake kit.. Well I just got my Jeep Back from a local custom shop and they did it! Drop down "cold air" intake with 3" piping. K&N cone. I have also done the turbo resonator delete (not the kidney on my CRD, black plastic oval piece) and the same shop that did the intake also did a custom exhaust. 3" straight pipe from the Cat, deleting the "resonator". Paid $250 for the exhaust and $325 parts and labor for the intake. I have pics of everything and if anyone has any questions on the exhaust and intake, just ask! BTW, MY JEEP IS LOUUUUUDDDDD. The intake is ridiculous on opening up the turbo....
K&N = BAD....strongly recommend you remove. K&N filters flow better but they allow more dirt into your engine. An oil analysis just before your next oil change will show elevated silicon in your oil reflecting poorer filtration and also higher than normal wear metals Ask anyone at www.bobistheoilguy.com and you'll get the same response from many amateur and professional tribologists.
Speaking of oil changes, make sure you read up on how to do one or you could suffer premature bearing wear/engine damage.
I've read on many forums of guys with just the cone, replacing the air box. And they didn't have any issues... every vehicle I have owned has had a K&N filter on it. Never any problems. Most diesel guys (cummins, duramax, ETC.) replace their intakes right away.
Still have the DPF. No tune for it yet :[ the Cone filter is right under the passenger headlight, around the fog light, close to the grill. Used the stock tube from the turbo to where the MAFS is located. then a 3" drop down. can get some more pictures tomorrow, it's getting dark now. Can't tell much on performance gains yet. Just got in intake installed today and it was 92 degrees sooo all my performance was robbed by the heat of the sun :[ it spools the turbo up FAREAKKKING LOUD.
So why did you bring the intake down lower, clearance issues for the cone filter? I'd like to do this but don't wanna lower it and most importantly, keep it sealed off from the engine bay so it only brings in cold, outside air. Great work and keep us updated!
It sounds really really loud... if you are a family man driving your kids to school or running errands for your wife, DO NOT DO IT. It sounds like a HIGHLY MODIFIED TURBO GASSER. Driving absolutely normal, giving it little gas, it sounds like your turbo is spooling like crazy. It sounds Amazing to be honest. Turns heads for sure. Also can hear a "blow off" of the turbo, sounds like an aftermarket blow off valve. It whistles VERY loud and the turbo spool is VERY loud... i'll take a video of it when I go for a drive here in a bit and i'll post it on here.
well took it for a spin. I'm not lying when I say its ridiculously loud. I like it and every single car i was driving next to looked over at me like a lambo was sitting next to them all amazed. Performance wise. little bit of power gain. in first gear it kicks in pretty good. trying to upload the video right now. The video does not do justice to how loud it actually is.