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Discussion Starter · #1 ·
Hi guys, posted in the performance section but did not receive any replies. Looking for advice from you guys on what to do for spark plug upgrade.

I am "stage 3" Full 3" turbo back exhaust, fmic, intake, rmm, running cobb ots stage 3 tune 91 oct. I plan on getting a stratified custom e tune in the spring.

What type of step colder plugs should I get and if you could explain why? Looking to learn about them so appreciate all the input.

Thanks
 

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Discussion Starter · #5 ·
Thanks guys
 

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^yep
 
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