Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
How-To
Spark Plugs and Ignition Coils: The HEMI Ignition Upgrade Guide
The HEMI runs 16 spark plugs — two per cylinder. Knowing when to upgrade, which plugs to choose for your power level, and how ignition coils factor in will save you from misfires and protect your engine.
Apr 18, 2026
spark-plugs, ignition-coils
Buyer's Guide
Aerodynamics on the Challenger: Splitters, Spoilers, and Downforce
How aerodynamic add-ons affect your Challenger at speed — what actually works and what's just visual.
Apr 18, 2026
aerodynamics, splitter
How-To
Challenger Differential Fluid: When to Change It and What to Use
The rear differential is often neglected — here's the correct fluid, change interval, and signs of trouble.
Apr 18, 2026
differential, gear-oil
How-To
Challenger Coil Pack and Ignition Coil Replacement Guide
Failing ignition coils cause misfires and rough idle. Here's how to diagnose and replace them on the HEMI.
Apr 18, 2026
ignition-coil, COP
Buyer's Guide
Challenger Oil Cooler Upgrade: Do You Need One?
Track driving and sustained high loads raise oil temps on the HEMI. An oil cooler prevents thermal breakdown — here's what to know.
Apr 18, 2026
oil-cooler, oil-temp
How-To
Challenger Oil Change DIY: Complete Guide for 5.7L, 6.4L, and 6.2L
Step-by-step oil change guide for every HEMI variant — with the right oil spec, filter, and torque values.
Apr 18, 2026
oil-change, DIY
How-To
Challenger Supercharger Maintenance: What Needs Service and When
The Hellcat's 2.4L supercharger is surprisingly low-maintenance — but it's not maintenance-free. Here's what to do and when.
Apr 18, 2026
supercharger, maintenance