programmers... - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums
 
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post #1 of 2 (permalink) Old 08-12-2009, 02:36 AM Thread Starter
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best bang for the buck. from factory most cars get 12-15psi. with my superchips cortex i have hit 23psi. but gm is buying my car back because its a lemon! i like to 350 for my cortex. retails for $399+s&h
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post #2 of 2 (permalink) Old 08-12-2009, 01:39 PM
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why was urs a lemon

09 White LSD 4 Door SS
GMPP Stage Kit
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Hahn intake, charge pipes, and cat back
ttr motor mount, CIA downpipe
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