Save $50 on BoostKing Custom Tunes with Purchase of SCT or Bully Dog Tuning Device. 







Purchase a BDX, X4, LWTS+, Livewire Vision, or Burst,

November 1 through December 31, 2021, and get up to a $80 Visa pre-paid card back!


Up to $130 Savings on BoostKing Custom Tunes and SCT Device!


$50 Off BoostKing Tuning custom tune only applies to Custom Tunes, not SCT or Bully Dog Tuning Devices.  This promotion does not apply to any tuning devices or other products sold  by BoostKing Tuning.  To qualify for $50 off BoostKing Custom tune, you must purchase a custom tune with the purchase of your SCT or Bully Dog tuner in the same checkout.  If you make a mistake, please contact and we will assist.  During checkout, enter the promo code BOOSTKINGHOLIDAYS.  BoostKing Tuning reserves the right to cancel or refund any orders that do not follow the rules of this promotion.  If you have any questions, please contact prior to your purchase and we will be happy to help you.  Thank you!

After purchase, fill out the form online by clicking HERE.

Or you can mail in the form by downloading the PDF HERE and mailing it.