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Old 01-15-2013, 08:15 PM   #1
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Join Date: May 2004
Location: Isla de Muerta | DC/VA
Posts: 29,078
My Ride: 328Ci | Range Rover
Dealing with Headers, Cats, O2 sensors, and Emissions

I've searched through here but have found a whole lot of dead ends and threads that lead to unproven theories.

Can somebody give me info on the possibility of running headers, aftermarket cats, and still meeting emissions standards. I'm considering throwing headers on the green machine but want to do so in a fashion that still give me the ability to pass emissions legally.

I've heard about O2 sensors but it seems like that won't work. So what about the possibility of running atermarket headers, magnaflow universal cats, and a custom tune... or is that another dead end?

| 435 HP 328Ci | Mechanical Work : RRT Racing | Vinyl Work : Designer Wraps | Vorsteiner | STATUS Racing |
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