Focus Fanatics - View Single Post - Those with Magnaflow's Exhaust System (Part #15072)
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Old 02-10-2013, 07:27 PM   #81
ripto
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Join Date: May 2012
Fan#: 99257
Location: Ledyard, CT
What I Drive: 2012 Ford Focus

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Quote:
Originally Posted by suss6052 View Post
The primary catalyst is integrated in the Exhaust manifold. Some people (FocusBoy58 comes to mind) have changed the exhaust manifold with one of the catless aftermarket pre 2011 2.0 L duratec headers, but if you were concerned about emissions and or vehicular inspections its best to leave the main cat alone, although PZEV vehicles have a secondary catalyst behind the first one and ahead of the resonator and mufflers.
Ok, I guess I just don't have a clear picture of what the stock exhaust system looks like, and I can't seem to get a hold of one. I notice cat-back systems go from what looks like a resonator to the tail pipe, I'm not really sure what's ahead of that, but from what you're saying, it must just be the manifold/cat, some pipe, and then whats included in a cat-back system.
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2012 Ford Focus SE Sedan, Red Candy Metallic Tinted CC, 5 Speed Manual
SE Sport and Winter Packages, 203A Equipment Group, 17" M&P Wheels
K&N 69-3517TS Intake, Magnaflow 15138 Catback Exhaust, WeatherTech 82573 Window Visors, 35% ON-35 Madico Tint
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