Free Shipping

  • Free shipping offer is valid only on qualified items. Eligible items are identified on their product information page. They can also be identified in your shopping cart.
  • Shipping method will be selected by Underground Dynamics. Free shipping orders will be delivered via a standard ground shipping method selected by Underground Dynamics or our direct-ship manufacturers/fulfillment centers. Express shipping orders are not eligible for Free Shipping.
  • Offer does not apply to shipments typical of oversized items. Some of the items we sell exceed the size limits for standard ground shipping and must be sent by truck or freight delivery. These items are labeled as oversized on their product information page, and will not feature the Free Shipping icon.
  • Not available on international, Alaska, Hawaii, Puerto Rico or APO/FPO orders. Only standard ground shipping orders to residential and commercial addresses in the continental US are eligible for Free Shipping.
  • Underground Dynamics reserves the right to end or change this Free Shipping offer at any time.

You may contact us if you have any questions regarding the shipping charges or restrictions at