FAQ

Frequently Asked Questions


Can I use someone else's custom tunes on my vehicle?

No, a custom tune is wrote specifically for each customers vehicle using the vehicle strategy number. There are a numerous vehicle strategies. We have seen before that when trying to use someone else's custom tune it will lock up your vehicle.

THERE ARE NO REFUNDS ON CUSTOM TUNE APPLICATIONS AFTER THE ORDER IS PLACED WITH TUNE WRITER. NO EXCEPTIONS.

 What is First Coast Diesel Performance's Shipping Address?

Our shipping address is:
First Coast Diesel Performance
130 College Dr,
Orange Park, FL 32065