Compression Ignition Addict
Join Date: Jan 2008
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No bubbles burst here , been both routes on 3 superduty's. With my current set-up the K&N was already on there and IMO the "set-up" looks better than the 6637 mod. As far as keeping it as a heat shield i totally agree , not doing much. So why not use a cleanable Amsoil filter , that bolts into an existing set-up , instead of hacking the compartment up more to fit in a $40 filter that needs replacing ? The 6637 is great if your modding on a budget , but you will never convince me it looks " nice " tucked under the hood. Not attacking in any way as i said , i have run the 6637 on other trucks and it worked great. To the OP , to answer your ? again the 6637 will not fit with the current set-up. If you remove it , sure , it works great , if you want to keep your current setup and change the filter to something that also works and is not a K&N then get the EAAU-4095. Or keep the K&N , lots of bad juju floating the internet but i have seen no actual data. I had the K&N on the new motor for 30k and pulled probably 10 times to check the intake tube and never once in wiping inside with a clean white cloth did i see the first hint of dust but decided to jump on the bandwagon as a new filter seemed like cheaper insurance.
Also the k&N on the tahoe kept throwing codes for the MAF sensor , clean the sensor and code gone , drive it again and code back. Same thing over and over until i went back to stock filter and no more problems. That alone is what caused me to pull away from the k&N all together.
Sold 01 350 6" on 37's and mild mods, 00 X 4" on 35's, 02 f350 4" 35's molded from fan to drive shaft, ridin the 03 with nose conversion with 125k and counting upwards slowly.
Never had CNC on any of it, never will.
Take 3/4 of the info and recommendations on here with a grain of salt