Spelab NEWs
Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
9 Real Signs Your Differential Cover Needs Replacing
Updated on August 21, 2026. TL;DR: Not every reason to consider an aftermarket differential cover means your current one has actually failed. This breaks the real signs into two groups:...
Aluminum vs Steel vs Cast Iron Differential Covers: Which One Fits Your Truck?
Aluminum cools better, steel takes hits, and cast iron is heavy. Engineer John Lee explains which diff cover material is right for your build in this updated 2026 guide.
Best Aftermarket Differential Cover for Ram 2500: Solve Overheating & Leaks
1. Why Upgrade Your Ram 2500 Differential Cover? Your Ram 2500’s differential cover plays a crucial role in protecting gears and maintaining proper lubrication. However, the stock cover has several...
6.7 Cummins Billet Valve Cover vs Cast Aluminum Valve Cover: Which Upgrade is Right for You?
Updated on January 8, 2026 TL;DR: The stock 6.7L Cummins plastic valve cover warps and leaks due to thermal fatigue. Upgrading to aluminum solves this. Billet aluminum offers superior strength, heat...
![Best 6.7 Cummins Intake Horn: SPELAB vs. Banks Monster Ram [Dyno-Tested]](http://www.spelabautoparts.com/cdn/shop/articles/Best_6.7_Cummins_Intake_Horn_SPELAB_vs._Banks_Monster_Ram_Dyno-Tested_c9c2c3d3-5bde-4a00-a626-5eb351b542dc.webp?v=1790238524&width=1400)
Best 6.7 Cummins Intake Horn: SPELAB vs. Banks Monster Ram
Updated on September 24, 2026. A larger intake horn can reduce intake-side restriction on a 2007.5–2024 Ram 6.7L Cummins, but the benefit is often modest on an otherwise stock daily...
6.7 Cummins Intake Horn Guide: Fitment, Airflow and Grid Heater 2026
Stop choking your 6.7 Cummins. We rank the top intake elbows for 2025, explain the physics of 45° airflow, and show you how to fix the deadly grid heater bolt...
3.5-Inch Stainless vs. Cast-Aluminum 6.7 Cummins Intake Horn
Compare stainless and cast-aluminum 6.7 Cummins intake horns by fitment, EGR layout, grid-heater strategy, ports, current pricing, installation cost, and realistic performance expectations.
6.7 Cummins Intake Horn Upgrade: Should You Delete the EGR System?
Updated on Sep 6, 2026. Quick Answer A 2007-2024 Ram truck with a 6.7L Cummins does not need an EGR delete to use the correct SPELAB intake horn. An emissions-intact...
6.7 Cummins Intake Horn Upgrade: Should You Delete the Grid Heater?
Deciding on a grid heater delete? Learn why the stock heater chokes your 6.7 Cummins and how to upgrade airflow safely without losing cold-start ability.
LS Intake Manifold and Throttle Body Matching: 3-Bolt, 4-Bolt, 75mm and 92mm
Updated on August 03, 2026. Matching an LS intake manifold to a throttle body starts with the cylinder-head ports, flange, control system, and fuel hardware - not the largest bore...
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