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Don't get left behind! Catch up on the latest product information, installation explanations, news, events, new technologies, and more exciting content through SPETUNER's blogs.
EGR Valve

What Does the EGR Valve Do?

Emissions control systems play a key role in reducing pollution and improving fuel efficiency in today's diesel engines. The EGR valve is one of the most critical components in this...

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Ram 1500 EcoDiesel

Ram 1500 EcoDiesel MPG Review & Upgrade Guide

Ram 1500 EcoDiesel Overview: Who Is This Diesel Pickup For? What Is EcoDiesel and Who’s It Built For? The Ram 1500 EcoDiesel is a light-duty pickup with a 3.0L V6...

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GMC

How Much HP Does a Downpipe Add on Diesel Trucks?

1. Introduction: Why More Diesel Truck Owners Are Looking Into Downpipe Upgrades If you drive a Ford Powerstroke or Duramax, you probably already know these engines are built for power....

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EGR Delete

Will EGR Delete Damage a Diesel Engine?

Understanding EGR Delete and Why It’s Done What Is an EGR System? The EGR (Exhaust Gas Recirculation) system is an emissions control device on most modern diesel engines.Its job is...

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L5P Duramax

L5P Duramax Problems Explained (2025)

Discover the most common L5P Duramax problems affecting 2017–2024 Silverado & Sierra HD trucks. Learn how to fix MAP sensor issues, fuel system failures, and more—with delete kits, tuning, and...

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L5P Duramax

Complete L5P Duramax Regen Guide: How to Force and Fix DPF Issues

Understanding the L5P Duramax and Its Regeneration System What Is the L5P Duramax? Which Model Years Use It? The L5P Duramax is GM's fifth-generation 6.6L V8 diesel engine. It debuted...

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RAM

Diesel Delete Towing Guide: Boost Power, MPG & Durability

Why Diesel Truck Owners Consider a Delete Kit Heavy towing can put serious strain on your diesel truck—whether it’s a Ram 1500 EcoDiesel or a Cummins-powered 2500 or 3500. Over...

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6.0L Ford Powerstroke

Should You Buy a Used 6.0L Ford Powerstroke? Here's What You Need to Know

The 6.0L Powerstroke is one of the most controversial diesel engines ever made. Some love it for its potential and sound; others fear it for its reliability issues. If you're...

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Diesel pickup trucks

Why Diesel Pickup Trucks with Diesel Engines Are So Popular

Introduction Diesel pickup trucks aren't just vehicles—they’re serious tools for serious work. Across construction sites, ranches, and highways, they’ve earned their reputation for power, durability, and dependability. But why do...

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exhaust pipe

What Does a Muffler Do? Diesel Truck Sound & Performance Guide

The Purpose of an Exhaust Muffler How a Muffler Works in the Exhaust System An exhaust muffler is built into the tail end of your vehicle’s exhaust system, and its core...

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