Header Installation
We have largely neglected the front O2 wiring up to this point, but it is now time to snap in the ARH-provided extensions (black wire sheath), which plug into the wiring harness atop our LS2. To keep the extensions away from heat on their way down to the header collectors, we found it best to run them along the back of the engine, ziptied to sturdy existing edifices. Take care to orient the extension plugs so that they will not interfere with reinstallation of the plastic engine covers (after trial and error, we found that strategic routing under the fuel rail helped get them low enough).
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