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Spark plug recommendations

Posted: Tue Feb 23, 2021 10:29 pm
by NotNormal
I’m looking for spark plug recommendations.
I have a 2018 S6 - currently quite vanilla, but I’d like to a little ahead of the game.

Spec is :

Race chip tuning box (27/28psi) (this is coming off for a JB4 unit that arrived today.
RS6 air box - pipercross filter
Primary mufflers deleted
RS6 Performance Sports option exhaust



What would people suggest for spark plug upgrades please


Many thanks

Tom