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Maximize the performance of your Ford Powerstroke, GM Duramax, or Dodge Ram Cummins with expert insights, including comprehensive buying guides, installation tips, and solutions to common issues.
5.9 Cummins vs. 6.7 Cummins: Architecture, Reliability & Tow
This guide runs the generation-by-generation comparison, the reliability record, the towing and power split, the emissions burden that explains most...
How Much Horsepower Does a Cold Air Intake Add? Real HP Gains
This guide lays out the dyno receipts by platform, the scaling law that explains why one intake makes 2 horsepower...
5.9 Cummins Oil Capacity: Complete Fill Guide (12 Quarts)
This guide covers why some owners' manuals print 11 quarts, which oil belongs in the sump, the filter that has...
DPF Filter Replacement Cost: What Owners Actually Pay
This guide breaks the price ladder down rung by rung, shows when cleaning beats replacing (and when it does not),...
Cummins DPF Cleaning Guide: Clogging Symptoms & Delete Solution
This guide covers the signs of an ash-full filter, the upstream failures that plug DPFs early, the cleaning methods compared...
CP4 Disaster Prevention Kit: Real Benefits and Costs Guide
Start with the CP4 disaster prevention kit collection for the 6.7 Powerstroke and LML platforms. We mined three full install...
P0171 Code Fault Diagnosis: Causes and PCV Reroute Solutions
Below you will find what the code actually means, why a failed PCV valve or cracked hose sets it, the...
Muffler vs. Resonator: Tuning, Volume Control & Delete Impact
Most OEM exhaust systems equip both components in series, as each addresses a distinct phase of acoustic suppression. This complete...
How to Bypass EVAP on a Chevy 5.3: Steps & Block-Off Plates
This guide covers what the system does, what the community says about deleting it, the cheap fixes that solve most...
Ultimate Guides Here!
Newbie-friendly guidelines for your diesel engine.
Newbie-friendly guidelines for your diesel engine.
6.4 Powerstroke Engine Guide: Specs & Problems
This overview breaks down what the 6.4 Powerstroke engine is, highlights its strengths, and points out its weaknesses. You'll get the scoop on how it's built, its common problems, what...
6.7 Cummins Engine: Everything You Need to Know
This ultimate guide covers everything you need to know about the 6.7 Cummins engine. Follow the guide below and unlock the full potential of your 6.7 Cummins.
L5P Duramax Ultimate Guide: Specs, Issues & Reliability
Let me share all the details. Get the L5P Duramax Ultimate Guide with specs, reliability, problems, maintenance, power potential, tuning tips, and key model-year updates for Chevy/Chevrolet for owners today.
5.7L HEMI Engine Specs, Reliability & Upgrades (2026)
In this guide, we will go over the classic Ram, Chrysler, and Dodge 5.7 HEMI engine specs, its reliability, and the best upgrades to enhance its performance and keep it...
2004.5–2005 LLY Duramax Guide: Specs, Problems & Upgrades
This guide will outline everything you'll need to know about your LLY Duramax, including specifications, common issues, and recommended upgrades to make your LLY engine run cool and tow strong...
Product Overview
Complete guides for our products including what it is, how it works, how to install, and common problems.
Complete guides for our products including what it is, how it works, how to install, and common problems.
LML Duramax EGR & DPF Delete: Pros and Cons (2026 Guide)
Let's go ahead! Discover the real LML Duramax EGR DPF delete pros and cons. Learn about performance gains, fuel economy, and legal risks before deleting your Duramax emissions system.
Best 6.0 Powerstroke EGR Delete Kits for Performance Gains
In this 2026 guide, I rank the top EGR delete kits for 6.0 Powerstroke based on real-user tests, durability, and value—helping you pick the best one to boost reliability, cut...
6.7 Powerstroke EGR Delete Pros and Cons You Must Know
In this article, we outline the 6.7 Powerstroke EGR delete pros and cons every owner should be aware of. Keep reading.
Ultimate Tuner Harness Plugs Guide for Diesel ECUs
We cover everything from basics to real fixes. Keep reading to get your diesel truck tuned right and avoid expensive mistakes.
AFM Disabler Pros and Cons: You Should Know Before Buying
This guide breaks down exactly what an AFM disabler does. It covers the real-world AFM disabler pros and cons, and whether it's actually worth installing on your Silverado or Sierra...
Related Knowledge
Understanding the basics of your engine exhaust system: what it is, how it works, common issues, and fixes.
Understanding the basics of your engine exhaust system: what it is, how it works, common issues, and fixes.
6 Leaking Valve Cover Gasket Symptoms You Shouldn't Ignore
We know how stressful it feels when your car shows new warning signs. That is why we put together this guide. It will help you identify warning signs of an...
10 Bad EGR Valve Symptoms & Fixes: Clean, Replace, or Delete?
Read on. I will share what the EGR does, 10 common faulty EGR valve symptoms, and how to diagnose the issues. Identifying these bad EGR valve symptoms early before they...
DPF Regeneration Failure Explained and Proven Fixes
Knowing why regeneration is not working and how to correct it promptly can save you a lot of money and time.
PCV System Problems: Diagnostic Testing & Repair Solutions
This guide will assist you in recognizing every symptom, using the exact tests we use in the shop, and selecting the appropriate repair that keeps your engine running strong mile...
Dodge Charger Active Exhaust Rattle: Symptoms & Fixes
We know how annoying that rattle gets when you just want to enjoy your muscle car. Our guide helps you understand how the Dodge Charger active exhaust rattle works, what...
OBD-II Trouble Code Guide
Use our simple OBD-II guides to quickly find the course, identify the issue, and possible fixes.
Use our simple OBD-II guides to quickly find the course, identify the issue, and possible fixes.
P0401 EGR Insufficient Flow: What Causes It and How to Fix?
This article explains what the P0401 code means, why it happens, and how to fix it the right way. You will learn the key symptoms, common causes, and the best...
What Is the P2463 Fault Code and How to Fix It Fast
In this guide, you'll learn what the P2463 code means, common symptoms, causes, and how to fix it step by step. We'll cover how to diagnose DPF pressure sensor issues,...
7.3 Powerstroke P1316 Code: Symptoms, Causes & Fixes
Keep reading to learn the real causes and exact steps we use to resolve the P1316 code on the 7.3 Power Stroke quickly.
P2609 Code 6.7 Cummins: Causes, Symptoms, and Fix Guide
This guide explains what the code is, why it occurs, the full diagnostics, fixes, and prevention steps that keep your diesel running strong through winter.