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Back fires after LT Header install and tune revision

raycer

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David
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Installed catless LT headers and now I have a backfire when I get in and out of the throttle. Is this something that can be fixed in the tune? Its generally a single back fire after a wot hit. Usually 2nd gear. Happens under partial throttle (heavy) sometimes. Not a good sound.
Never had this before headers.
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Last edited:

Zelek

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It's a tune issue for sure.
 
 








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