Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
Buyer's Guide
Challenger Fuel Economy: Real-World MPG and How to Improve It
Real-world Challenger MPG is lower than EPA ratings for most drivers. Here's what affects fuel economy and practical ways to improve it.
Apr 18, 2026
fuel-economy, MPG
How-To
Challenger Spark Plug Change DIY: Step-by-Step for 5.7L and 6.4L
Changing spark plugs on the HEMI is straightforward but has a few gotchas. This guide covers both 5.7L and 6.4L procedures.
Apr 18, 2026
spark-plugs, DIY
How-To
Challenger Brake Fluid Flush: Why It Matters and How to Do It
Brake fluid absorbs moisture over time, raising the boiling point dangerously. Here's when and how to flush it.
Apr 18, 2026
brake-fluid, flush
How-To
Steering Column and Steering Rack Issues on the Challenger
Clunking, binding, and wandering steering are common complaints. Here's how to diagnose and fix them.
Apr 18, 2026
steering, clunk
Buyer's Guide
How the HEMI's Fuel Injection System Works: Port vs Direct Injection
Understanding your HEMI's injection system helps you make better decisions about fuel, maintenance, and modifications.
Apr 18, 2026
fuel-injection, port-injection
How-To
Challenger Interior Rattle and Noise Diagnosis Guide
Interior rattles are one of the most frustrating Challenger ownership experiences. Here's a systematic approach to finding and fixing them.
Apr 18, 2026
rattle, noise
How-To
Challenger Headliner Replacement and Sagging Fix
A sagging headliner is an annoying but fixable problem. Here's how to reattach or fully replace the Challenger's headliner.
Apr 18, 2026
headliner, interior
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 Throttle Response Issues: Hesitation, Lag, and Fixes
Throttle lag and hesitation are common complaints on the drive-by-wire Challenger. Here's what causes them and how to fix it.
Apr 18, 2026
throttle-response, hesitation
Buyer's Guide
Understanding HEMI Compression Ratios: How They Affect Tune and Fuel
Compression ratio determines octane requirements, power potential, and how your HEMI responds to forced induction.
Apr 18, 2026
compression-ratio, octane
Buyer's Guide
Challenger Color Guide: Best and Worst Paint Options by Year
Some Challenger colors hold their value, show wear less, and photograph better. A buyer's and owner's guide to Challenger paint.
Apr 18, 2026
color, paint
How-To
Challenger Suspension Noise: Diagnosing Clunks, Squeaks, and Creaks
Front and rear suspension noises are common as the Challenger ages. Here's how to find and fix them.
Apr 18, 2026
suspension, noise