Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
Comparison
High-Flow Cats vs Catless: Pros and Cons for the Challenger
Going catless sounds like free horsepower — but there are real trade-offs involving legality, smell, and long-term consequences. Here's an honest look at both options so you can make the right choice for your build.
Apr 18, 2026
catalytic converter, high-flow cats
Buyer's Guide
Common Smog and Emissions Failures for Modified Challengers
In states with emissions testing, aftermarket exhaust, tunes, and O2 sensor changes can cause your Challenger to fail inspection. Here's what triggers failures and how to keep your build road-legal.
Apr 18, 2026
emissions, smog test