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I added parts since last time it was tuned, do I need a new tune or revision?

Yes, please reach out to us and we can get you a revised file after your invoice is paid. You will need to fill out an additional tuning form for the new modifications to the car. Please fill out this form to the best of your ability. Revisions vary in price depending on how much tuning work is involved, i.e. adding longtube headers will not cost as much as new cam or fuel system.