Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.

If you're planning a cam swap on an automatic Challenger, the MDS delete isn't optional — it's a required part of the build. Here's what MDS is, why it has to go before a cam swap, and what the delete kit actually includes.

Multi-Displacement System is one of the most discussed — and misunderstood — features of the automatic HEMI Challenger. Here's exactly how it works, why Dodge built it, and what it means for your mods.

A rough, lumpy cold idle on the Challenger can be alarming — especially if it started after mods. Here's how to distinguish between normal cold-start behavior, MDS quirks, and actual problems that need fixing.

A camshaft swap is one of the most transformative naturally aspirated mods for the HEMI — but it requires a full master kit of supporting parts or your engine will fail. Here's everything you need to know.

Real-world Challenger MPG is lower than EPA ratings for most drivers. Here's what affects fuel economy and practical ways to improve it.