This video provides a detailed, step-by-step guide on how to install an aftermarket header on a 2002-2006 Nissan Altima or Sentra equipped with the QR25DE 2.5L engine. The tutorial covers the process of removing the old exhaust manifold and installing the new header, likely aimed at improving exhaust flow and engine performance. The description also includes affiliate links for essential tools like jack stands, a jack, a tire iron, and impact/electric ratchets, useful for DIY automotive work.
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