Spelab NEWs
Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
How To Fix Exhaust Leak
A practical guide to diagnosing and fixing exhaust leaks on diesel trucks, including symptoms, repair steps, costs, and how diesel DPF delete systems change exhaust flow and performance.
What is a Turbo Back Exhaust? Complete Guide to DPF Delete Mods
In the realm of diesel vehicle performance modifications, upgrading the exhaust system is a crucial step to enhance power, improve exhaust sound, and optimize fuel efficiency. This is especially true...
Is a Muffler Delete Illegal? What You Need to Know Before You Modify
Discover muffler delete legality, performance effects, and street-legal alternatives for aggressive exhaust sound. Includes Cat-Back, Axle-Back, and electronic valve options.
How to Find Exhaust Leak?
The exhaust system is a crucial component of a vehicle’s powertrain. It affects engine performance, fuel efficiency, and most importantly, driving safety. Once an exhaust leak occurs, it may reduce...
DEF Fluid & DEF Delete Guide: Solving Limp Mode for Cummins, Duramax, and Powerstroke (2026)
Updated on May 6, 2026. Quick Answer: DEF Fluid vs. DEF Delete What is DEF Fluid? DEF (Diesel Exhaust Fluid) is a 32.5% urea solution used in SCR systems to...
What Is DEF for Diesel Engines?
What Is DEF for Diesel Engines? In the modern diesel engine world, DEF (Diesel Exhaust Fluid) is a crucial topic that every truck owner needs to understand. Whether you're driving a...
6.7 Cummins Grid Heater Delete Pros and Cons (Failure Risk, P2609 & Cold Start Guide)
Deleting the 6.7 Cummins grid heater improves airflow and reduces failure risk but may cause cold starts and codes. Here’s what owners need to know.
How Much Horsepower Does a SPELAB Intake System Upgrade Kit Add
1. Introduction: The key role of the intake system in the 6.7L Cummins diesel engine The intake system plays a pivotal role in maximizing diesel engine performance. In heavy-duty trucks...
Valve Cover Gasket vs. Head Gasket: Symptoms, Costs & How to Tell the Difference
Updated on January 7 2026 TL;DR: Mistaking a leaking valve cover for a blown head gasket is a costly error. Learn to spot the difference: head gaskets cause white smoke and...
Ultimate Guide: 6.7 Powerstroke Oil Capacity & Maintenance Tips for F250, F350, F450
Updated on May 5, 2026. 🚀 TL;DR: 6.7 Powerstroke Oil Quick Guide Model Year Capacity (Quarts) Capacity (Liters) 2011–2022 Super Duty 13 Qts 12.3 L 2023+ Super Duty 15 Qts*...
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