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Do I need a tune for High flow cat or a downpipe?

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Old Jun 20, 2024 | 01:49 AM
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5LOWA4's Avatar
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Default Do I need a tune for High flow cat or a downpipe?

I want to get a HFC or DP but I read you need a tune, Is it necessary? If it does I have no idea where to tune it.


(Sorry I’m new to this)
 
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