Will this header connect directly to my existing exhaust system?

The header outlet size and connection method aren't specified in the product data. Measure your current exhaust piping diameter and outlet style before ordering to confirm compatibility, or plan to adapt the connection with a transition piece if needed.

Do I need to use sealant or gaskets when bolting this on?

Factory header gaskets are standard practice at the head flange. Grab a quality multi-layer steel gasket and anti-seize compound for the fasteners—they'll handle thermal cycling better than bare threads.

Can I install this myself with basic hand tools?

Since it mounts at factory points, you won't need special equipment. You'll need a socket set, wrenches, and jack stands to safely access the engine bay. Give yourself a couple of hours for the first installation.