SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
DPF Delete Explained: Benefits, Problems,Worth it?
Updated on July 19, 2026. A DPF delete can reduce exhaust restriction on some off-road or competition diesel builds, but for a public-road Cummins, Powerstroke, or Duramax truck it brings...
Diesel Performance Parts Buying Guide: What to Upgrade First
SPELAB's massive Black Friday 2025 sale starts November 5th. This guide details the best performance part deals for Ford Powerstroke, Chevy Duramax, and Ram Cummins trucks. Prepare your wishlist now...
Does Your 6.7 Power Stroke Need a CCV Reroute?
Updated on July 31, 2026. Originally published on July 31, 2025. Not every 6.7L Power Stroke needs a CCV delete kit. Some trucks need an overdue factory separator service, some...
Do Muffler Delete Effect Gas Mileage?
Updated: May 18, 2026 A muffler delete is one of the most popular exhaust mods because it is simple, affordable, and instantly changes how a vehicle sounds. But when owners...
Ford Power Stroke Coolant Reservoir: Symptoms, Diagnosis and Replacement
Updated on August 03, 2026. A Power Stroke coolant reservoir should not be replaced just because the plastic has turned yellow. Replace it when inspection confirms a crack, a leaking...
What Is a Manifold on a Car? Your Complete Guide to Air Intake Manifolds
The intake manifold is your engine's lungs. This guide explains how it works, common failure symptoms like coolant leaks, and why upgrading from plastic to aluminum boosts performance and longevity....
How To Delete Grid Heater On 6.7 Cummins (Complete Installation Guide)
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: Should You Delete the Grid Heater on a 6.7 Cummins? A 6.7 Cummins grid heater delete or...
Fuel Pressure Regulator Demystified: Restore Your Diesel's Performance
Experiencing a loping idle or hard starts? Discover the 6 signs of a bad Fuel Pressure Regulator (FPR) on diesel engines and how to fix it to prevent expensive injector...
What Is an EGR Delete? An Engineer’s Guide to Function, Performance & Reliability
Go beyond the forums. An experienced engineer breaks down the physics of EGR deletes, explaining how they impact airflow, combustion efficiency, and engine longevity—separating real performance gains from the myths.
How To Remove Your 6.7 Cummins DPF and EGR
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: What Should You Know Before Removing the DPF and EGR on a 6.7 Cummins? A 6.7 Cummins...
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