Battery disconnect while installing Fast Intentions exhaust

[in_venere_veritas]

Hey all. I plan to be installing the Fast Intentions exhaust and have a question. Do I need to disconnect the battery for an ECU reset when installing the exhaust? For reference, I already have the Ford Performance tune, and my 2.7 has very low miles (about 350). Thanks!

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[Brian_B]

It wont hurt anything either way as long as you aren't using a welder on the vehicle - leaving it on or disconnecting.

The ECU will self-calibrate quickly and doesn't really matter if you are going from a stock reset or as-is conditions