2007 Jeep Commander: QTII, Leather, Sunroof, remote start, OEM Skid Plates, 2 in Daystar lift, 255.75.17 BFG Mud Terrains on Moabs, 1.25 " Spidertrax wheel spacers, 4x Guard front guard and Side Guards, Optima Red Top, Robbys half inch leveling spacer, Bilstein 5150 Rear Shocks, Pinch weld mod and trimming!
Plastic dissipates heat better. Aluminum transfers more heat but cools quickly. I think plastic is better but would like to hear thoughts on both pros and cons.
Plastic is too generic a term to describe the building materials - I K&N, i believe, is using Polyethylene though for the cheaper version. But there must be a reason why the Aluminum yields SLIGHTLY better results.
Last edited by AJeepZJ; 01-08-2012 at 08:08 PM.
Thanks. I wish the instructions were more clear. I'm not very mechanically inclined at all but figured I couldn't get into too much trouble so I dove in head first.
It is the 63. I was looking at the aluminum one as well (77 I think) and the only difference is the aluminum tube. I didn't want chrome under the hood so I went with this one. I have only driven it on surface streets so I haven't gotten the speed up yet. There was a noticeable change in torque when I hit the gas. No change in sound. If you get one do yourself a favor and put all the brackets and whatnot on the heat shield in the house where its warm and you can watch football. The instructions have you remove the OEM tube and air box and THEN attach stuff to the heat shield. If you do that first you can yank the crap out and get right to installing. Simple hand tools: Flat head screwdriver, 8mm and 10mm sockets, 10 mm and 7/16 wrenches.
This is the first step in making the 3.7 breath a little better and sound a little meaner. Next step is a FLowmaster exhaust.
Last edited by DetroitMarauder; 01-08-2012 at 08:15 AM.
If you are going off road, get the bag that covers the intake and don't go fast through the water.
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