Bought AFE Pro Dry, take out secondary?

ron.p

Discussion Starter · #1 · Aug 5, 2010

1158 4

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

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the.phantom

· Registered

tacoma

Joined Nov 16, 2007

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485 Posts

#2 · Aug 5, 2010

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

· Registered

'12 Ram 1500 HEMI

Joined Mar 24, 2004

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1,143 Posts

#3 · Aug 5, 2010

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

Boost JunkY

· Registered

2008 TRD SPORT

Joined Dec 18, 2009

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210 Posts

#4 · Aug 5, 2010

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

· Registered

Joined Aug 31, 2006

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84 Posts

Discussion Starter · #5 · Aug 5, 2010

Thanks all, in it stays.

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