We have a 2007 FJ that I would like to do some minor performance modifications on. 4WD 5A locking diff. and A-Trac. We have a mile long dirt road to get to our house, and often take the back road dirt road tour just to get home. Can be up to 15 miles in the dust.
It is often very dry in the Texas Panhandle and I am not sold on the K&N oiled filter thing. Do not like the very open filter set up on top of the oiled filter issue.
What would you guys do in a dust bowl? We are not going Hard core 4 wheeling, just want a little more Hp. Will be adding a cat back and maybe headers.
I have the TRD CAI and switch to the AFE ProDry S filter which is an oil free air filter.
AFE part number is 21-90044.
Very easy to clean, just soak it in a mild soap/water solution. Rinse it and let dry.
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TLCA #17592
2007 FJ Cruiser 4x4 Auto TI - Mods too long to list
2007 BMW 335i Black Sapphire - Twin Turbo
2000 Honda Odyssey EX - Navigation
1998 Toyota Sienna XLE - Supercharged (minivan with the element of surprise)
1989 Toyota Pickup - long bed
Forget the aftermarket CAI and install an OE Cyclone Pre-Filter used on the '08 & up FJ's and swap out the stock filter for an Amsoil or similar quality drop-in unit.
DEWFPO
__________________ 2007 FJ, 5AT, Sun Fusion Yellow, CQ, UP, GY, RB, 2Q, EL, VS.
"Wanted - young, skinny, wiry fellows, not over 18. Must be expert riders willing to risk death daily. Orphans preferred"
Original newspaper add placed by William Hepburn Russell, founder of the The Pony Express
the cyclone is a good idea too but I still love my cleanable filter, I just pop it out and use the K&N recharge kit. pretty much after every run, also clean your maf sensor.
The cyclone pre-filter ROCKS!!! It, too, is removable and cleanable and you would be disgustingly surprised how much fine dust and dirt that thing prevents getting to your airfilter!
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WOO HOO!
2008 Trail Teams Edition FJ - loaded to the bajeeezus!
3" Rough Country
285/75/16 Cooper STT
2004 Pontiac GTO - slightly modified 575hp on N2O
11.8 down the 1/4
Anything not requiring oil, would be best for dusty trails, so you can just remove the filter and just wash with water. Not having to worry about recharging the filter with oil, or in case you run out of the oil. Pre-filters are a good bet too. Usually in sand and never had to worry about it so far, I run an AEM Dry flow filter.
I have a dust cover that came with my aFe CAI. It works very well. After a run, take it off and brush (I keep an old 2" paint brush in my FJ) the sand/dirt/mosquitoes/butterflies/tadpoles out of the box. It only takes about 3 minutes to pull the lid and install and only about 5 minutes to take it back off and clean up.
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2008 Sandstorm, AT, BajaRack, TG Sliders, 6 Circuit Accessory Fuse Box, Tacoma Fog Light Switches, SilverStar Ultras, Titan Air Jack, Cast Hi-lift, After-Market Power Inverter, Trail Team Badge, M-PAC Rear Door & Side Rack Combos, #10 CO2 Tank, aFe TBS CAI & Hi Tuck Exhaust, Icon Stage 1 Lift, Camburg UCA, Midland 75-822 w/Bandi & 3' Firefly, Wolo 120 Horns, 285/75/16 Maxxis Bighorns, Badger 5lb Fire Extinguisher.
The best protection you can get for dusty conditions is a snorkel with a pre-filter. Without a doubt. I don't know why everyone thinks they are just for deep water. The air is much cleaner at roof level than it is at the stock intake level. Way cleaner. Add a pre-filter, my favorite is the one from Extreme Limits Offroad, and you are golden.
Thanks for the info everyone. Was not sure who was making a good dry performance filter and that is what I was leaning towards. Damn sure want the pre-cleaner filter also. We use them at work and they are worth the money.