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2012 chrysler 300C V8 5.7L RWD

Wondering where do i make change for my performance part (oversize piston and short header) I get combine ruffly 1.5% more air and flow. Im not sure where to ajust for the tune ? Do VE Bank 1 et Bank 2 is where i make change ? NN dont relate on VE table but more on Aircharge and PRatio right ? So im confuse .... Because like in video he explain to take FA Stoich and copy paste on is excel make change like mid RPM 12.8 and WOT 12.5 and copy past on Aircharge and PRatio but do I need after that to put X 1.015 more on the table ? Im confuse .......

--------------------------------------Modification-----------------------------------------

BBK Shorth Headers 1 3/4"

Oversize piston 0.75

Push rod wall thikness 0.080

K&N Filter in OEM box

The rest is STOCK

Upper right corner of what table ?

I'd leave it as is, until you know what, if anything, you actually need to change.

..yes, a difference of ruffly 1.5% will be dealt with internally.

We usually reply within 12hrs (often sooner)

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