Sawn-off air filter
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Senior User
Joined: Nov 2003
Posts: 176
Likes: 0
From: Alberta, Canada
Sawn-off air filter
My buddy suggested we do this to my air intake before the filter to get more air flow. Is this a good idea will I get improved MPG, better tourqe, higher revs ? What can I expect. What will the hotter air it sucks in from the engine compartment do?
Your opinions please
Your opinions please
Posting Guru
Joined: Oct 2002
Posts: 1,253
Likes: 0
From: Del Rio, Texas USA
[QUOTE=ianlavin]My buddy suggested we do this to my air intake before the filter to get more air flow. Is this a good idea will I get improved MPG, better tourqe, higher revs ? What can I expect. What will the hotter air it sucks in from the engine compartment do?
Your opinions please
Im sure you can expect everything you listed: "improved MPG, better tourqe, higher revs".....
Hey i did this mod cause im cheap... i think ive benefited from all that..??
Your opinions please
Im sure you can expect everything you listed: "improved MPG, better tourqe, higher revs".....
Hey i did this mod cause im cheap... i think ive benefited from all that..??
Senior User
Joined: Feb 2004
Posts: 116
Likes: 0
I did this in my old truck with the OEM k&n replacement. Didnt really see an increase in fuel economy, and I had to clean it to often so I put it back to stock with the k&n filter in there. IMO, it just gets dirty faster, but it sounds cool when u step on it.
Elder User
Joined: Feb 2003
Posts: 881
Likes: 0
From: NJ ... the garbage state
well, you would need more hot air just to get the same amount of oxygen that a cooler dence air has. This setup most likely increases air flow, but look at every aftermarket intake and notice the air deflector. You "home brew" setup may benefit from a little more redneck engineering, with some plastic or mdf board to make a sort of blockade between the engine and the filter.
Junior User
Joined: Jan 2004
Posts: 98
Likes: 0
with the extra turbulence you subjected the filter to by removing the intake tube it probably doesn't flow much more air than it did before you whacked it off.
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Elder User
Joined: Jan 2004
Posts: 569
Likes: 1
From: Philadelphia
Cut a hole in the hood and turn the intake 90'....now your talking redneck water injection too! yeh hah....
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Fleet Mechanic
Joined: Sep 2002
Posts: 1,769
Likes: 7
From: Gretna ,LA.
I cut mine not so far back,then cut 3 holes in behind the grille to force cool air to the filter housing.Also remove some of the rubber cladding in front of the airbox to let air to the box.I think letting hot air to engine does not help, even though more air gets in,the introduction of some hot air negates any gain.Check my gallery for the holes i drilled behind grille.
