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What's the 411?

Every vehicle spec calculator in one place. Real data, instant results, no signup required.

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DEV PREVIEW: Header Design Changes

NEW: "The 411" logo is now centered at the top
NEW: Tagline "Know before you go..." appears above the logo
MOVED: Site navigation links are in a separate bar below
STRUCTURE: Brand Header (tagline + logo) → Site Links → API Notice → Page Content
STYLING: Tagline is subtle (0.7rem, 40% opacity, uppercase, 2px letter spacing)