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View Poll Results: How did your CAI affect performance
Bottom End worst, Top End Improve 11 29.73%
Bottom End worst, Top End worst 3 8.11%
Bottom end improve, top end worst 1 2.70%
Bottom and top end improve 22 59.46%
Voters: 37. You may not vote on this poll

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Old 05-27-2007, 05:33 AM   #19
Sabretooth
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Anyone yet to find a company that has a 4-2-1 Header for the Yarii yet?
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Clean stock look... Killer performance.
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Old 05-27-2007, 10:53 AM   #20
cali yaris
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Bis -- I could tell you if you blindfolded me whether there was a CAI on the Yaris or not, it does feel different. 70 to 75 hp is almost 10%, unlike my Scion tC, where 140-145 was NOT noticeable.

The only headers I know of are the Megan Racing and they are 4 to 1.

http://www.meganracing.com/products/...d=604&catid=67

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Old 05-29-2007, 10:13 PM   #21
sort_o_sane
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Home made "Part-time" CAI

Just created my own look at the pics to see why I say "Part-time." It becomes CAI when the cooling fan turns on...
I have noticed a difference in the response of the throttle, initial take off and going between 65 - 80 on the Freeway. The sound is funny because it almost dies away completely after (about) 3000 rpms. CIP, I do not know if I want to go TRUE CAI or not with the simple mod I did. I don't see this vehicle being able to keep up with my old accord, but I won't be upset if I am wrong.
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Old 05-30-2007, 02:16 AM   #22
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neat i was thinking of a way of doing something like that.... then i got a CAI
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Old 06-04-2007, 04:37 PM   #23
Carvin'07
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My low end is the same, the top end is slightly better. It now drives like it did with the stock wheels (it became noticeably slower with the 17s).

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Old 06-09-2007, 07:24 PM   #24
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As per the TRD parts pamphlet, a TRD CAI will void engine warrenty? anyone have any trouble from the dealers yet?
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Old 06-09-2007, 10:16 PM   #25
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I guess I’m a cheap bastard, I couldnt pay $200+ for a CAI so following Chino’s design I purchased and XB Short Ram from Ebay, and with a machine shop at work, I just shopped to sides. It fit like a charm. Gains have improved trough out the band specially after 3rd gear. Here’s a picture of my GhetoSR.
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