Unlimited Diesels Installation Center

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Search by the exact product name, model year, engine, truck, or part type. Every manual opens as a clean PDF you can save or print.

83New manuals
1,053Pages of guidance
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83 guides found

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CCV Reroute 9 pages

Chevy/GMC Duramax

2004-2010 6.6L Duramax LLY-LBZ-LMM CCV Reroute

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download
Tuning / Tuner 7 pages

Colorado/Canyon

2016-2022 Chevy Colorado/Canyon 2.8L LWN Tuning Instructions

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download
CCV Reroute 16 pages

Ford Powerstroke

2011-2025 6.7L Powerstroke CCV Reroute with Catch Can

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download
EGR / Delete Kit 7 pages

Jeep / RAM EcoDiesel

2020+ Jeep 3.0L EcoDiesel Tuning and EGR Instructions

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download
Tuning / Tuner 131 pages

Nissan Titan XD

2016-2019 Nissan Titan XD 5.0L Tune and Delete Instructions

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download
Coolant / Bypass 17 pages

RAM Cummins

2007-2018 6.7L Cummins Coolant Bypass Kit

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download
Tuning / Tuner 19 pages

Universal / Tuner

GDP Commander / AutoFlasher User Manual v3.7

General product guide

Confirm your exact year, engine, and part before starting.
Open PDF Download

Before you install

Three checks before the first bolt.

01Confirm fitment

Match the product name, model year, engine, and part number to your order.

02Read the full guide

Review every step, required tool, warning, and tune requirement before disassembly.

03Stop if it differs

If your parts or connectors do not match the guide, pause and contact support.

Important: These guides are installation references. Follow all product warnings and applicable laws. Professional installation is recommended whenever you are unsure.