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Does anyone know if The grimmspeed down pipe will work with the Cobb accessport tuning and if I got one would I have to end up pro tuning or just be ok with the Cobb tuning maps ?
 

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Please continue in one post to keep your questions concise.

The cobb ots tunes tell you exactly what they will support. You will have to read the note maps, but in the past they only supported the cobb intake and Amy catted downpipe.
 
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