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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-22-2012, 01:20 PM   #1
donaldblake
 
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Corsa exhaust, CAI cold air intake..recalibration??

So I was told that if I get a Corsa exhaust and CAI cold air intake without a tune, my car would start losing power in a few weeks and that the car needs to recalibrated. I haven't read that in any posts or I don't remember reading it. I have a 2011 Camaro SS L99. Is this true??

Last edited by donaldblake; 03-24-2012 at 07:53 AM.
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Old 03-24-2012, 07:53 AM   #2
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Looking for feedback!!
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Old 03-24-2012, 07:58 AM   #3
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totally NOT TRUE.

A CAI and cat back will not add much to your car honestly. maybe a few ponies as you opened up the airways a little bit BUT the big blockage is the OEM exhaust manifolds and cats.


A few things with the L99 tho... without a tune and a new cat back that removes the "can" resonators... youre going to have hella drone when it shifts to 4 cyl mode. You can avoid this by either having it tuned out (voids warranty) OR keeping it in S mode... I hear this disables the AFM...


The only time you car would NEED tuned is if you did add headers and hiflow cats. Then THIS is where you really pick up some nice gains.


In your case, the CAI and Corsa are adding a bit of of intake sound, a bit of imporved performance and a good bit of exhasut note but nothing crazy. Slap on your mods and enjoy.


Couple other things... ALWAYS run 91 or better fuel and if you feel the car is sluggish... try the fuse pull. Lots of cars get stuck in the low octane tables and run bad. for the fuse pull mod. not really a "mod" but apparently it helps. I am tuned so I have never had to do it...

Good Luck!
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Old 03-24-2012, 08:10 AM   #4
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The above poster nailed it.
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Old 03-24-2012, 05:50 PM   #5
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CamaroNow's first publication had them doing LT headers, CAI and Tune. They said the CAI added 20-25HP to their car. How they arrived at that figure, I'm not sure, but they're pretty much in the know. Janetty did a huge dyno project on the most popular CAIs available and they concluded that there can be as much as 5-10 hp difference between different CAIs. So, I would say one of the posters is wrong...the CAI makes a difference. If you search YouTube you'll find before and after dyno pulls on the addition of CAIs and you'll see proof.
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Old 03-26-2012, 08:03 AM   #6
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Thanks guys for the input.
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