Exhaust help please

[GreggC]

<p>Hey guys,</p><p>2004 Frontier V-6 VG33ER</p><p>Im experiencing high fuel consumption, low power and have received a catalytic converter engine code,</p><p>I believe&nbsp;one or more cats need replacing,</p><p>Looks like there are four cats on this thing.</p><p>Whats are you guys doing short of spending $2k on a new factory Nissan exhaust ??</p><p>Is there a header system someone makes ??</p><p>Can I delete the cats ??</p><p>Thanks</p><p>Gregg</p><p><br>Gregg<br></p>