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#34: 06-24-2010, 05:20 PM
 
 balrock01
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Title: Contributing V.P.
Location: Toledo
Car: 320AWHP 05 Infamous tuned 18G
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Quote:
Originally Posted by biz77 View Post
Ransom, there would be no reason to switch back to a stock tune for emissions testing. That Cobb downpipe may pose a problem in CO, however. What year is your car? If 05/06, you probably want to swap out that up-pipe as well.
You NEED to ditch the cat in the uppipe if you are going to run more boost. I am pretty sure I read somewhere once about a failed cat on a stock car all up in the turbo before.