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Difference in CAI vs. drop in filters

Discussion in 'Performance and Tuning' started by 4x4x4trd, Jan 23, 2008.

  1. Jan 23, 2008 at 12:38 PM
    #1
    4x4x4trd

    4x4x4trd [OP] My other ride weighs 200 tons

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    North Texas
    Vehicle:
    08 White Access Cab TRD OR, Debadged
    AFE oil free drop in, Secondary removed, tint, front D-rings, Toyota bed mat, Undercover tonneau, TRD seat covers and floor mats, Pioneer speakers, Westin Platinum bars, Fumoto oil valve, short antena, Nifty Xtreme's, TSB leaf springs, Bilstein 5100's set at .85" in the front
    Waiting on a 08 with the 4.0 V6.
    Have a oem K&N in my '99 3.4 V6 now.
    On the '99 I didn't really notice that much more power over stock along with some increase in sound. I opened up the front of the stock air box by drilling 1/2" holes between the little molded squares. I feel if nothing else I saved on the cost of paper filters over the last 9 years with modest power increase. My Question is two fold. #1 Does the new oil free oem filters by AFE filter enough and is any power gained comparable to the K&N? I never had a problem with the oil messing with the sensor on the '99. #2 Does the full change out to a CAI add that much over the drop in's. Thanks
     
  2. Jan 23, 2008 at 1:14 PM
    #2
    maverick491

    maverick491 Towing Guru

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    Activator III brake controller, Extang Fulltilt toneau, Factory bed mat, Extra D-rings in the bed, 2ndary air filter removed, Garmin Ique GPS, Eco-2, AFE Pro Dry-s filter, USASPEC PA12-toy, Pioneer 3-way speakers, SG II on Blendmount, Gulf States Alarm added.
    The dry type AFE is rated to filter as well as or better than the K&N with no risk of damage to your MAF sensor.

    I "feel" that there was more power gained with the AFE filter in my 4.0L 07 than with a K&N in my 2.7L 04. However, I know that is not an apples to apples comparison, so I don't have a completely sound oppinion here, just sharing my personal observations.

    As afr as drop-in vs CAI. To my eye, the stock air box assmebly does not look to be that restrictive, so realistically I don't see how there could be that much gained from an in the engine bay NQRTCAI "not quite really that cold air intake" Again, just my opinion, and that opinion does not extend to the URD True Cold Air Intake, as I can easilly see how that one is able to make more power.

    Just my $0.02 Your mileage may vary.
     
  3. Jan 23, 2008 at 3:16 PM
    #3
    4x4x4trd

    4x4x4trd [OP] My other ride weighs 200 tons

    Joined:
    Jan 15, 2008
    Member:
    #4267
    Messages:
    1,197
    North Texas
    Vehicle:
    08 White Access Cab TRD OR, Debadged
    AFE oil free drop in, Secondary removed, tint, front D-rings, Toyota bed mat, Undercover tonneau, TRD seat covers and floor mats, Pioneer speakers, Westin Platinum bars, Fumoto oil valve, short antena, Nifty Xtreme's, TSB leaf springs, Bilstein 5100's set at .85" in the front
    Thanks,
    AFE's web sight is kind of shy on spec's. Like I thought and you agreed awhile back that AFE made the TRD drop-in in the oil version. I am getting wary of the oil version's reading these posts. As stated I had no trouble on the '99. The oil free version sounds to good to be true! Simply tap, vacume, or wash with soap and water depending how dirty for the life of the truck. I may have to just drive it stock for awhile anyway just to feel the difference 46 more HP and about the same in TQ is going to be over the '99 while I decide.
     
  4. Jan 24, 2008 at 2:25 PM
    #4
    southern_x

    southern_x NMSAF!

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    Super Charged, Icon Stage 5, Rigid Grill / Light Bar, Fuel 20" Wheels / Blade Tires, Shell Color Matched, Roof Rack, KatSkinz Interior, and other stuff
    afe intake FTW!! i just put mine on today boy is it hard not to step on the gas the sound is amazing and on the butt dyno feels more aggressive lol, oh yea i put in some bi zenon hid's also oh yea!!
     
  5. Jan 26, 2008 at 10:21 AM
    #5
    4x4x4trd

    4x4x4trd [OP] My other ride weighs 200 tons

    Joined:
    Jan 15, 2008
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    #4267
    Messages:
    1,197
    North Texas
    Vehicle:
    08 White Access Cab TRD OR, Debadged
    AFE oil free drop in, Secondary removed, tint, front D-rings, Toyota bed mat, Undercover tonneau, TRD seat covers and floor mats, Pioneer speakers, Westin Platinum bars, Fumoto oil valve, short antena, Nifty Xtreme's, TSB leaf springs, Bilstein 5100's set at .85" in the front
    Hi S-X,
    Which one exactly did you put on? AFE's sight says metal housing but as stated above the tech. said that #51-11352 is now composite. Thats why I'm asking. K&N shows almost a .5 hp loss with the metal 77 vs. the 63 composite do to heat transfer I guess. As above let us know how the mileage acts and are you going with exhaust as well? Later
     
  6. Jan 26, 2008 at 4:31 PM
    #6
    southern_x

    southern_x NMSAF!

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    Super Charged, Icon Stage 5, Rigid Grill / Light Bar, Fuel 20" Wheels / Blade Tires, Shell Color Matched, Roof Rack, KatSkinz Interior, and other stuff
    i have the afe dry filter system, the intake tube(part from the filter to the throttle body) is not metal its composite or something or another, the heat shield is metal but its coated with something i just got back from a 1.5 hr off road adventure and the tube is rather cool and the heat shield doesn't seem to be that hot, how ever on my civic si an hour long drive on the highway and the intake (metal tube) is pretty hot. i do plan on changing out the exhaust system when i get some more $$ to spare
     
  7. Feb 26, 2008 at 9:09 AM
    #7
    lsocoee

    lsocoee My hair is all natural Staff Member

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    If you haven't already bought one, you should look into the intake from URD. www.urdusa.com I have one and love it. The sound and power are both great from this.
     
  8. Feb 26, 2008 at 8:46 PM
    #8
    4x4x4trd

    4x4x4trd [OP] My other ride weighs 200 tons

    Joined:
    Jan 15, 2008
    Member:
    #4267
    Messages:
    1,197
    North Texas
    Vehicle:
    08 White Access Cab TRD OR, Debadged
    AFE oil free drop in, Secondary removed, tint, front D-rings, Toyota bed mat, Undercover tonneau, TRD seat covers and floor mats, Pioneer speakers, Westin Platinum bars, Fumoto oil valve, short antena, Nifty Xtreme's, TSB leaf springs, Bilstein 5100's set at .85" in the front
    Thanks for the imput. I went with the drop in oil free AFE and removed the secondary as well. Throatier sound and seems more responsive all the way around.
     
  9. Mar 3, 2008 at 5:39 PM
    #9
    Blue05tacoma

    Blue05tacoma Member

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    Tennessee
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    Stainless T-rex nerf bars, Stainless T-rex bull bar, Billet grilles for upper and lower bumper as well as hood scoop grille, 3" Tough Country suspension lift

    How hard was the URD to install? From the pictures on their website, it looks as though you have to remove your factory grille just to make it fit.
     
  10. Mar 3, 2008 at 6:17 PM
    #10
    lsocoee

    lsocoee My hair is all natural Staff Member

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    Not too hard. The grill comes off easy. It is the cutting of the metal that made me nervous. You need to cut the sheet metal next to the headlight. You will also have to extend the MAF wires to reach the front of the truck.

    I'd rather install another intake than another MAF calibrator.
     
  11. Mar 4, 2008 at 4:32 PM
    #11
    Blue05tacoma

    Blue05tacoma Member

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    Stainless T-rex nerf bars, Stainless T-rex bull bar, Billet grilles for upper and lower bumper as well as hood scoop grille, 3" Tough Country suspension lift
    That is what i was afraid of with that system. Thanks for the info because i really dont want to have to do any cutting if at all possible.
     
  12. Mar 6, 2008 at 6:54 PM
    #12
    08_TACO_offroad

    08_TACO_offroad Well-Known Member

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    265/70/17 Mickey Thompson Baja ATZ, 17 inch Mickey Thomson Classic II Wheels. UWS tool box. TRD CAI. 3" suspension lift.
    I just put in a TRD CAI, and it was very easy to install, no cutting like with the URD, no problems what so ever. The TRD also sounds great and some great kick to go with it!
     
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