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Old 07-28-2015, 06:12 PM   #1
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Intake Requiring Tune

I have a K&N 63 Series intake that does not require a tune, but am looking at getting a new one. Have my eyes on the C&L with 95mm MAF housing. Opinions?
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Old 07-28-2015, 11:48 PM   #2
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Just a suggestion.................if you still have the stock one put it back on and sell the K&N. An aftermarket CAI will gain no HP. You get any HP gain from a tune not an aftermarket CAI.
I learned the hard way. My 14 TrakPak was much slower and less responsive when I put the stock tune back into the car with the Airaid CAI...............IMHO
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Old 07-29-2015, 12:09 AM   #3
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This is untrue...I did actually read your full issue in the other intake thread...the air raid intake has a larger than stock MAF housing...so when you plugged your stock tune back in it was running lean because the larger intake tube was allowing more air in that your ecu was calibrated for...once you added the proper tune back in and "the car came back alive" as you had mentioned is because your air to fuel ratio was again correct for the air being let into the motor...same goes for if you added the air raid tune and put in stock air box...it would run rich because it would be opposite of the previous scenario I just brought up...don't wanna start the whole intake argument again but it is simple science
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Old 07-29-2015, 04:45 AM   #4
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Go back to the stock CAI. I and a few others did some testing years ago and the stock one was better than any of the aftermarket ones. Lower iat's as well.
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Old 07-29-2015, 06:46 AM   #5
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Fyi the air aid can work with the stock tune if it has the MVT inserted to match the factory MAF size.

You may get a little hp out of a tune required cai. Not worth the $300 tag. bolt on autos run low 11s with the stock box.

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Old 07-29-2015, 09:08 AM   #6
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Cold air intake

I have to agree with olde rodder and grabber blue, cai are a waste of time and money.
I have minimal mods to my 20143 gt. I bought a bbk cai because it claimed to not require a tune. My best tome with it on was a 12.9 I put the stock box back on and was 0.2 faster, consistently. I've run 12.7's all day in western pa, with elevations of 1400' above sea level and in 80 degree temps.
Also, the idea that a bigger tube would alter the maf readings does not hold water as air flow will be the same down stream of the sensor, necking down will only slightly increase the velocity of the air flow, not the mass of air. Bernouli's equation still holds.
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Old 07-29-2015, 09:22 AM   #7
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"Simple science"...? Results speak for themselves both in SOTP feel and track times. Plenty of people find out the hard way that their "CAI" (or hot air intake if it does not pull from the inner fender) is a nice $200-$300+ decoration.
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Old 07-29-2015, 09:26 AM   #8
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Quote:
Originally Posted by 14GRAYGTCS View Post
This is untrue...I did actually read your full issue in the other intake thread...the air raid intake has a larger than stock MAF housing...so when you plugged your stock tune back in it was running lean because the larger intake tube was allowing more air in that your ecu was calibrated for...once you added the proper tune back in and "the car came back alive" as you had mentioned is because your air to fuel ratio was again correct for the air being let into the motor...same goes for if you added the air raid tune and put in stock air box...it would run rich because it would be opposite of the previous scenario I just brought up...don't wanna start the whole intake argument again but it is simple science

At the time I made the statement I had not taken a look at the Airaid CAI....when I pulled it off it did have the MVT installed. I then reflashed back to stock...removed the MVT and reloaded the tune again. I couldn't feel any difference and I'm working with a tuner as we speak.
The car is still running leaner on bank 1 than bank 2 although not enough to throw the CEL so just guessing that this can'd tune is not doing its job for my car. This is after half a dozen data logs. I'm just trying to work through some bad gas issues........................then we will see how much of difference the new tune makes.

If you would be willing I would gladly swap my Airaid CAI for your stock CAI.
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Old 07-29-2015, 09:34 AM   #9
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OP, I say CAI is worth the money from the eye candy factor and sound it makes under WOT. I have and airraid CAI and love it. Does it make more power for my pony? No idea and not concerned about it. It looks much nicer for car shows and love the sound under WOT. Worth the $300 too me but to each their own.

This power debate about CAI's have been going on for years. My guess, is with a full exhaust system the CAI will net some additional power gains over the factory airbox.

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Old 07-29-2015, 09:47 AM   #10
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My guess, is with a full exhaust system the CAI will net some additional power gains over the factory airbox.
And there's your problem. You're just "guessing" with nothing to back it up. I had a full exhaust on my 2011 and the stock CAI was faster than the aftermarket stuff with lower iat temps.
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Old 07-29-2015, 09:53 AM   #11
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And there's your problem. You're just "guessing" with nothing to back it up. I had a full exhaust on my 2011 and the stock CAI was faster than the aftermarket stuff with lower iat temps.
Very true sir. Just guessing on that but even with zero power gains, I'm cool with that. I really love the eye candy look it brings over the factory airbox and the sound under WOT.

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Old 07-29-2015, 10:15 AM   #12
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Originally Posted by 2011 Kona Blue View Post
Very true sir. Just guessing on that but even with zero power gains, I'm cool with that. I really love the eye candy look it brings over the factory airbox and the sound under WOT.
Fair enough.
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Old 07-29-2015, 10:35 AM   #13
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Angry Cai

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Originally Posted by scottydsntknow View Post
"Simple science"...? Results speak for themselves both in SOTP feel and track times. Plenty of people find out the hard way that their "CAI" (or hot air intake if it does not pull from the inner fender) is a nice $200-$300+ decoration.
In my case your quote says it all, I shelled out the 300 bucks only to find out it doesn't improve the situation or makes it worse!
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Old 07-29-2015, 11:07 AM   #14
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What's funny is the same thing is happening with the new 2015's. And guys are finding their iat's soaring through the roof but still think it was a good idea.
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Old 07-29-2015, 11:17 AM   #15
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What's funny is the same thing is happening with the new 2015's. And guys are finding their iat's soaring through the roof but still think it was a good idea.
What's IAT scores?

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Old 07-29-2015, 11:20 AM   #16
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Intake Air Temperature or IAT............ there is a sensor and it will show when you data log.
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Old 07-29-2015, 11:35 AM   #17
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Intake Air Temperature or IAT............ there is a sensor and it will show when you data log.
Thanks. My dash command program shows me that with my OBII device.

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Old 07-29-2015, 12:05 PM   #18
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My 2015 shows me my iat temps in the dash along with many other things. Got to love these cars.
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Old 07-29-2015, 12:13 PM   #19
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My 2015 shows me my iat temps in the dash along with many other things. Got to love these cars.
That's sweet. I have that old school technology. I need my smart phone and OBII device. Ha ha ha

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Old 07-29-2015, 02:46 PM   #20
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So more air into the motor at a slightly higher temp is not more beneficial?
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Old 07-29-2015, 02:56 PM   #21
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Plus the K&N 63 I have functions the same as stock it connects to the air inlet behind the grill and it uses a sealed box...only difference is the cone filter...however, the car from 2k-4.5k or so pulls a hell of a lot harder with the top of the air box removed compared to being attached.
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Old 07-29-2015, 02:59 PM   #22
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So more air into the motor at a slightly higher temp is not more beneficial?
I think what they are saying is the CAI doesn't put more air into the motor over the stock airbox.

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Old 07-29-2015, 03:51 PM   #23
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That and increasing the air charge temp is very bad.

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Old 07-29-2015, 05:38 PM   #24
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So more air into the motor at a slightly higher temp is not more beneficial?
More air into the motor is great as the motor is nothing other than an "air pump".
The issue comes when warm/hot air is brought int the intake manifold. When warm/hot expands you get less oxygen and since oxygen is a big part of the internal combustion process you get a more defuse mixture of fuel and air.
When the air going into the intake manifold is cool you get a more dense mixture of fuel and air. This is the reasoning behind an intercooler on a blown motor. The denser the air the more oxygen and fuel you can stuff into the cylinder.
Hope that helps.
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