Kwik's Odd Looking Air Filter
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Senior User
Joined: Dec 2004
Posts: 245
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From: Peshastin, Wa.
Kwik's Odd Looking Air Filter
Well I finally tried the "Kwik Filter". '97 Super Cab 4x4, LB. Cost me about $43.00. My truck is (was) stock. Noticed a little better response in the get up and go. Happy with it. Never had a problem with the stock box dusting, I think that is an installation issue. I ended up using a 3", 45', pvc elbow to make the bend, and left the stock grill air scoop in place. Fits like a glove - kind of snapped in place (pvc) like it was made for it. Inside diameter of the pvc is 3.5 which is my only concern. Wondering if I should go with the 4" exhaust bend instead. Thanks Kwik, I like your idea.
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From: Bonney Lake, WA
If your truck is otherwise stock, and you never get up into the high rpm range, you probably won't notice a difference between 3.5" and 4". Your stock downpipe will only flow so much air, so having the extra 1/2" diameter in the intake pipe probably won't benefit you much.
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Joined: Oct 2004
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From: FL
Haha
Originally Posted by Kwikkordead
Your welcome. I wish I could take the credit for the idea, but it's not mine. I read it in a post somewhere here or on the dieselstop. He just didn't take a picture and post it!
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From: Peshastin, Wa.
Correction - the smallest part of the pvc is 3" I/D. Duh, I don't know what I was thinking. Works well but might go with the 4" exhaust piece instead. Robbgt - what size tubing do you have on yours? I see in the picture it's white - pvc?
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From: NE Ohio
i've been jipped! i did that with the pvc a long time ago 
hehe just kidding don't really care but I did that with the pvc way back, i will put a piece of 4" on also because the pvc is really small inside.
hehe just kidding don't really care but I did that with the pvc way back, i will put a piece of 4" on also because the pvc is really small inside.
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From: FL
Originally Posted by Saguaro_7.3
Correction - the smallest part of the pvc is 3" I/D. Duh, I don't know what I was thinking. Works well but might go with the 4" exhaust piece instead. Robbgt - what size tubing do you have on yours? I see in the picture it's white - pvc?
-Robb
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From: Kingsland, GA
I'm about ready to pick up parts for this mod, and then remembered about the IAT sensor in that airbox. What have you guys done to it? Do you just mount it near the open filter, or actually drill a hole and mount it in the intake?
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Joined: Jun 2004
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From: NE Ohio
I left the sensor out, hasn't set anything thing off. its just sitting on the wheelwell now.
Only problem I have with the 99 and up duct work is because of the ribs it will create turbulence... not that it probably matters with the turbo sucking the air in but I still would rather have smooth ducting. We did that on my bro-in-laws 99 also fits just right.
Only problem I have with the 99 and up duct work is because of the ribs it will create turbulence... not that it probably matters with the turbo sucking the air in but I still would rather have smooth ducting. We did that on my bro-in-laws 99 also fits just right.
Fleet Owner
Joined: Jun 2004
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From: Rio Rico, AZ.
Digital cameras sure are handy. I went out this morning in response to your statement about the ribs making turbulance. I took a picture and yes there are about 8-10 ribs there to give the tube flexibility. But the whole rest of the assembly is smooth from the filter to the turbo. And the same size as the outlet of the filter, not smaller like the PVC pipe jammed down inside would be. It boils down to a matter of personal taste, I guess.
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From: NE Ohio
if we were doing this on n/a gas engines where every little bit of air counts I'd say go with a piece of smooth exhaust piping but i don't think it would make a huge difference with the turbo. it was just a little concern i had.
Elder User
Joined: Dec 2001
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From: C H I C A G O
Funny how their is a post on this . I have been running one of these setups for the past year or so.I was just at my buddy/racecar builder friend's shop , and he was saying how he could build me a 4'' piece of pipe to take the place of the flexy rubber ribbed piece. He said the gains would be minimal , but overall appearance , and possibily turbo "sound" would increase.
He builds one off turbo setups for racecars , so he knows all about airflow and so on.Not sure if I am going to do it or not. Have a motorcycle needing some custom parts at the momment.
He builds one off turbo setups for racecars , so he knows all about airflow and so on.Not sure if I am going to do it or not. Have a motorcycle needing some custom parts at the momment.
Post Fiend
Joined: Apr 2004
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From: Silver Lake Dunes, MI
hey guys i used a 4" piece of aluminized exhaust pipe. it was a 45 degree with about 6 or 8 inches on each side then a rubber boot from napa made for turbo intakes. mine look exactly like a tymar. but i also paid more than you guy are for materials. i get parts at cost and actually didn't save more than $50 bucks over buying a tymar. but i painted mine to match my truck so that worth cool points right?
tim
tim