Engine & Power
The engine is the heart of your Challenger — every performance mod either helps it breathe better, burn fuel more efficiently, or force more air in. These upgrades range from simple bolt-on air intakes to complete supercharger kits. Even small changes to how air and fuel get into the engine can make a noticeable difference in how the car feels.
Camshafts
The camshaft controls when and how far the engine's valves open. A performance cam opens them wider and longer, letting more air in and exhaust out. This is a major power mod — it fundamentally changes the engine's breathing characteristics. You'll hear it immediately in the distinctive 'lopey' idle. Installation is complex (engine teardown required) so this is a Stage 3 mod.
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