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Discussion Starter #1
My name is Justin and i own a 08' Cobalt LT STOCK. Im looking to mod it up a little, and trying to keep it carb certified as much as i can. I have little hands-on experience on how to do it myself so someone else will be doing it for me, but I do understand car talk for the most part. If anyone has time and can help me out on where to start i'd appreciate it. I've been looking around for a nice intake and exhaust that give good gains without killing my milage. So if anyone has time id appreciate some help. THANKS!
 

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how extreme do you wanna go? mostly performance parts? a good set of springs and an intake would probably be a good start
 

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i don't want to go racing status or anything, I just want to get some nice power going to be able to keep up with the rest and destroy those ricers. I want to start with the intake, but have only found one so far and then move down to a full-back or cat-back exhaust. My only issuse with the exhaust is when i have to get it smogged.
 

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as far as the exhaust, cat backs pass. if you do a race header(no cat) it will fail but otherwise you should be good. i/e on our cars supposedly give up to about 20 for our cars. you should beat most ricers anyways. theyre usually lucky to have 100 hp
 

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Awesome, its all sounding good so far. I'm pretty sure im going to go with the K&N SRI Intake, but what exhaust should i go with, Im not looking for anything loud, just a quiet pur when driving, and then when my foots in it is when i want a nice clean rich sound.
 

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the borla sounds best imo. magnaflow is usually a good choice to
 

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I am pretty sure that the GMPP intake is the only CARB certified aftermarket intake. As for other upgrades you could look into without getting in trouble,(i know how Californias laws are) is the 2.4 Intake manifold. You could also get the racing solution 2.2 header and simply reinstall the heat shield for that stock look. As for the DP and cat back, I'm not too sure what your options would be to stay legal. However a tune will cure any and all issues with having a highflow catilitic converter.
 

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Where would i take it to get tuned, and for how much, also would that drop my gains from the exhaust and intake. Also is the GMPP intake any good?
 

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Where would i take it to get tuned, and for how much, also would that drop my gains from the exhaust and intake. Also is the GMPP intake any good?
Google Trifecta tuning.. Its a tuning software that is mailed to you with a baseline tune, then you data log and email the tunes back and forth with more data logging until the tune looks good!. Then you mail the software back. It will make the most of your mods..

The GMPP intake is ok. not as great as others, but it is CARB certified.. So If i was in your position, I would get it.
 
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