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Old 03-22-2016, 06:41 PM   #3966
ichitaka05
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Quote:
Originally Posted by jawn View Post
Right, a lot of GM LS motors are smog compliant. I would argue the vast majority of them are, until folks start pulling cats out.
Before pulling the cats out, I'll upgrade the cams with tuning. That alone will bump extra 20~60whp and still smog approved.
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