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Discussion Starter · #1 ·
I am in the market for an acessport and possibly a downpipe, but I am afraid I will have trouble with emissions with a catless dp. I live in Illinois. Anyone have any trouble like passing emissions? I also want to know if Running a dp with the stock catback, will that work, and also does a dp qualify running stage II ap? Any advice or help would be greatly appreciated.
 

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Just a downpipe will qualify as stg 2. Mabey look into a catted downpipe instead of catless. Cobb, Invidia and helix seem to be popular ones. Most will bolt right up to your stock catback with no prob
 
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