SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
What Is DPF Delete? Diesel Truck Guide, Risks, and Fitment Basics
Explore the engineering and physics behind diesel particulate filters (DPF). Learn how soot formation, thermal regeneration, and exhaust backpressure impact modern diesel engine performance, and what mechanical changes occur during...
6.7 Cummins EGR Delete Kit Guide: Benefits, Risks, Codes, and Fitment
Updated July 14, 2026. If you are looking at an EGR delete for a Dodge Cummins, there is a good chance the truck has already given you a reason: soot-packed...
Why Diesel Pickups Use Turbochargers, Not Superchargers
Diesel pickups use turbos because they match heavy towing, low-RPM torque, charge-air cooling, and factory HD truck design better than superchargers.
The Ultimate Guide to Truck Deletion: What It Means and Why People Do It
Updated: May 19, 2026 “Deleting a truck” usually means removing, bypassing, or disabling factory emissions-related systems on a diesel pickup. The phrase is most often used for EGR delete, DPF...
6.7 PowerStroke EGR Delete: Pros, Cons, and Real-World Truths
P0401 code haunting you? Decide between fixing or deleting. We analyze the reliability gains, performance benefits, and legal trade-offs of a 6.7L PowerStroke EGR delete for off-road use.
Duramax L5P EGR Delete Guide: Benefits, Risks, Tuning, and Install Reality
Unlock your L5P Duramax's potential. Learn the benefits, risks, and installation steps for an EGR delete kit to lower EGTs and prevent soot buildup on 2017-2023 models.
5.9 vs 6.7 Cummins: Reliability, Towing, and Buying Checks
Updated on August 02, 2026. A 5.9L Cummins is the practical choice for a simpler project truck when you accept old-chassis repairs and lower factory torque. A 6.7L Cummins is...
6.7 Cummins EGR Cooler Symptoms: Diagnose Before You Delete
Updated on August 14, 2026. Ask around any 6.7 Cummins forum long enough and you'll hear the same story: a truck starts smelling sweet out the tailpipe, coolant keeps disappearing...
EGR in America: How 50 Years of NOx Rules Shaped Every Diesel Pickup You Can Buy
Updated on August 05, 2026. Exhaust gas recirculation showed up on American engines for one reason: federal NOx limits. An EGR system routes a metered slice of exhaust back into...
Can You Delete EGR Without Deleting DPF?
Learn whether you can delete EGR without deleting DPF, what risks it creates, how tuning affects DPF regeneration, and what diesel truck owners should know before modifying emissions systems.
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