Spelab NEWs
Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
EGR System VS EGR Delete? What will change?
Updated on August 03, 2026. Originally published on April 11, 2025. An EGR system routes a controlled amount of exhaust back into a diesel engine to lower peak combustion temperature...
9 Signs It's Time to Replace Your Differential Cover with an Aftermarket Upgrade
Updated on January 15, 2026. TL;DR: Leaks, rust, and overheating signal it's time to replace your OEM differential cover. SPELAB aluminum upgrades offer superior cooling, impact protection, and magnetic drain...
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_a40be6c0-a8c1-42db-ace9-5413fcb2249d.webp?v=1785341493&width=1400)
Best 6.7 Cummins Intake Horn: SPELAB vs. Banks Monster Ram
Updated on July 23, 2026. A 6.7 Cummins intake horn replaces the cast inlet path that carries compressed air into the intake plenum. On a stock grocery-getter, the change may...
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'' Intake Manifold VS 6.7 Cummins Intake Horn upgrade
Torn between the 3.5" Intake and the Upgrade Horn? We compare airflow (CFM), installation difficulty, and towing performance to help you choose the right 6.7 Cummins upgrade.
6.7 Cummins Intake Horn Upgrade: Should You Delete the EGR System?
TL;DR: You do not need to delete the EGR system to install the SPELAB 6.7 Cummins Intake Horn—it works with both setups. Delete EGR: Best for maximum airflow, a cleaner...
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.
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