At this point, there is no "hard" data where someone ran a dyno in an FJ with stock air box, then another run with a K&N drop-in, then a 3rd with the TRD CAI. There are some posted dyno pulls with CAI (TRD and other) vs stock but they are different vehicles, and different configurations (MT and AT).
So, at this point, the "evidence" is only anecdotal. There are a couple posts of FJ's with Scangauges who are running snorkels with K&N drop ins vs TRD CAI showing very similar intake temps (1-2 degree differences) running together, on the same trail, sharing the numbers via CB. But, this only has bearing on the CAI value, not the "volumetric" value/differences between the two.
One thing of note, if it is a "value" to you, the TRD CAI does give a much different engine "tone" which many like. The K&N does not give this "feedback".
Personally, I run the K&N with a snorkel, in my opinion, the best CAI you can run. I can't see/rationalize the increased cost of the TRD CAI for what may be a minimal performance increase and some more engine noise at an additional cost of $350...
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Sun Fusion 4X4 AT ATRAC Hack'd
Demello sliders
Demello front bumper w/Warn M8000
Demello rear bumper
OME 886/140 Front, 895/N71e rear
All-Pro rear links w/bracket skids
Inchworm Lefty
ARB front air locker
Nitro 4.88 gears
Bud Built skids front to back
Super Swamper TrXus Mud Radial 255/85/16
Safari Snorkel
ARB Full Rack w/wind deflector
Train Hard, Rest Harder
TLCA # 17784
"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
I'd say just buy what ever you think you can afford. The differences in gains are likely to be so minimal that it falls with the standard deviation of error. Personally I'd probably buy the K&N and have a few bucks left over for something else.
__________________ 07 FJ Cruiser 4wd Automatic / Black Diamond 02 Suzuki SV650S / Blue
The one thing no one has mentioned yet is , you have to finish the job of making the FJ breath better by installing a good exhaust system. All I did was replace the stock MUFFLER(only) with a Magnaflow MUFFLER(only). Along with a stock intake and a K&N drop in air filter the FJ has better throttle response in the LOW end of the power band. I do not need a dyno, I can FEEL the difference! BTW, The muffler was about $110.00 installed!
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"A common mistake that people make when trying to design something completely foolproof is, to underestimate the ingenuity of complete fools"
SF, A/T, Conv. Pac.,Aeroflow HLC's, Demello sliders, Demello Skid plate, OME 2" lift, BFG A/T, K&N filter, Magnaflow exhaust, KC 100 watt and 130 watt slim lights, Two tone air horn,Demello prerunner bumper, rear tow hitch,Allpro LCA's and Skids, Mile marker PE8000 winch, Amsteel blue winch rope.
Treadlightly member.
I know what you mean about the engine sound. When I put a ztube with a KN Filter on my G, the sound was great at WOT. Maybe after I get some sort of Navi system I'll look at the CAI in depth.
2007 FJ, 5AT, Sun Fusion Yellow, CQ, UP, GY, RB, 2Q, EL, VS.
"Enjoying the Journey"
Linear Mode
