Comments on: Product Review: aFe’s Tundra 5.7L V8 Air Intake

By: aFe Engineering? - Toyota Tundra Forums : Tundra Solutions Forum

aFe Engineering? - Toyota Tundra Forums : Tundra Solutions Forum — Fri, 19 Mar 2010 00:28:06 +0000

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By: rob

rob — Tue, 16 Mar 2010 19:37:49 +0000

thanks for the respond

By: Jason

Jason — Tue, 16 Mar 2010 19:18:13 +0000

John – Sorry I didn’t get to this comment earlier. The stock K&N doesn’t add any power. However, we did measure a fuel economy improvement and better throttle response.

rob – We don’t have any data below 4,300 RPM because of the way the dyno tests worked. The Tundra’s transmission isn’t dyno friendly, so we had to pick an RPM band to do our tests in. Generally speaking, these kits don’t add significant power until the throttle is opened up and the RPMs are high.

By: rob

rob — Tue, 16 Mar 2010 13:09:56 +0000

What is the power curb below 4300 RPM….?
I’m usually staying below that and there is no information the power gain there.
Im about to order one but it bugs me the power gain information about this intake is about roughly 7-800 rpm range. Why is that? Makes me wondering…
i never saw dyno chart from 4300 rpm to 5100 rpm.
Or its just me?

By: John Francoeur

John Francoeur — Fri, 29 Jan 2010 02:48:57 +0000

Jason, do you have any info about the gains, if any, by dropping in a k&n filter to the stock box?

By: Jason

Jason — Thu, 14 Jan 2010 23:46:02 +0000

Ryan – Thanks for sharing. Glad to know the whistle is gone, sorry to hear it was the kit.

By: Ryan

Ryan — Thu, 14 Jan 2010 17:36:41 +0000

I installed the AFE kit last year and had a bad whistle noise through all rpm ranges. I swapped between the OEM and AFE systems twice just to confirm the source and it was definetly caused by the AFE kit. My kit was the older AFE model with an open guard, rather than enclosed box. I was reluctant to try another brand of CAI for fear of the same problem so I just returned the AFE kit and put a stock K&N filter in the OEM box. No more whistle.

By: Mickey

Mickey — Tue, 22 Dec 2009 21:17:43 +0000

Thanks for the post Brody. Glad to see you found the issue early. Who knows what the engine could have sucked in. Now you bought the truck new? Also you got the TRD CAI upon buying the truck. So if the truck was new when you installed it and you have 35k then I can see why they offered to replace the lid only. Now the tape job well that brings back memories. Ford ran a wire on my new truck outside the wire harness and out loosely in the engine bay to a sensor to try an remedy my computer issue on my 1 year old F-150. It looked jerry rigged. They even placed a sticker on the radiator cover to state that it was an authorized fix. For my 06 Silverado I needed duct tape to hold my tail lights in place because they kept falling down because of a defect till GM could fix it. Sad to see that good old duct tape does it all.

By: butah

butah — Tue, 22 Dec 2009 20:38:30 +0000

I recommend you DONT BUY TRD CAI!!! IT FAILED for me,,,READ THIS,,i have some things to share about the TRD cai as i havent seen much feed back about it. I am compelled to tell my story/oppinion of the TRD cai. I have a 08 tundra dc 5.7 w/35k on it. I had a trd cai installed on purchase and the other day I went out to clean the filter and found leaves and debre on the wrong side of the filter stuck on the screen filter at the top of the air box, bad deal to say the least. Upon further investigation, the seal was fine and in place properly- what happened is the engine side of the lid had warped for some reason(heat) and was bowing out enough to allow leaves ect to directly pass the filter. Typically, you dont have to clean these very often; it appears to have been leaking for over a month. To make matters worse the dealer i bought mine from- mark miller in slc utah will not refund, and will only replace the lid. In additon, they are making me wait 7-10 days(i got rid of the stocker) and their remedy for the problem was to wrap the lid seam with masking tape and send me on my way…pretty shoddy bs in my opinion . john miller was the service guy in charge of my truck this day,,,, i let him know it was shoddy ect but to deft ears, long story short save yourself the aganoy i have gone through and get a AFE or Volant even though both have their ups and downs. I have never read of either one of them failing,,, and i found out the hard way you cant count on TRD cai. I have pics but i dont know how to load them from here, and if you are one of the unlucky owners get rid of it and keep your eye on the inside(engine side) of the lid and watch for this or you will regret it!! O yea and also i never have overheated my truck so cant blame the failure on that!! I am going to contact TRD next cuz in my oppioion they need to recall.

By: Chuck

Chuck — Tue, 29 Sep 2009 01:14:56 +0000

Nick
the squeak is coming from your crank seal the AFE system is creating a extreme vacum in your crank case, with the enginge running pull out your dipstick and see if the noise goes away. I have the same problem and don’t know how to fix it.