Instructions

Install Instructions

Step-by-step install guides for our care packages. Print and bring to the shop.

Available guides

  • 2020–2022 Ford 6.7L DIY Kit — full delete + tune install (PDF emailed with order).
  • 2011–2019 Ford 6.7L DIY Kit — full delete + tune install (PDF emailed with order).
  • 2017–2023 GM L5P DIY Kit — full delete + tune install (PDF emailed with order).
  • EGR Delete Kits — included with each kit in the box.
  • CCV / PCV Reroute Kits — included with each kit in the box.

Before you start

  • Read the entire instruction set first.
  • Have the right tools — at minimum a full metric socket set, torque wrench, OBDII tuner cable.
  • Disconnect the battery before working on electronics.
  • Let the engine cool fully before working on exhaust.
  • Take photos as you go — you'll want them if you re-route anything.

Lost your instructions?

Email hello@h2supplyco.com with your order number and we'll resend the PDFs.

Stuck mid-install?

Call (512) 779-0607. We'll walk you through it.