[ron.p]

I bought the pro dry ($50 from autoanything, came quick) and installed. I read somewhere, and cannot locate the post, about taking out the secondary charcoal filter on the 4.0. Should I be doing that and if so, any appreciable advantage? No smog/emissions check here where I live.

Thx

 

[the.phantom]

the filter is for smog laws. if you remove it,might be worthwhile to cover the maf and hoses so NO part of the filter or charcoal get in the intake

 

[yosh2000]

removing it was proved absolutely no advantage by gadget on a dyno...just leave it in there...

 

[Boost JunkY]

I removed it b4 with the pro dry filter, and somehow my fuel mileage went down. haha. It didnt feel any faster as well.

 

[ron.p]

Thanks all, in it stays.