Will catted x-pipe pass emissions? - Mustang Evolution

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Old 09-19-2014, 01:01 PM   #1
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Will catted x-pipe pass emissions?

I've currently got MAC long tubes and Borla S-type axleback sitting in my garage that I'm gonna get installed either within a month or early next year. I'm looking at the BBK catted x-pipe to complete the setup. Even if they're high flow cats, will they still pass emissions testing?


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Old 09-19-2014, 01:13 PM   #2
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That all depends on where you live. California and the other 9 states that follow California emissions it won't. Other places you may not have an issue.

I'm in Florida I have longtubes to off-road x.

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Old 09-19-2014, 01:28 PM   #3
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Long tube won't pass emissions in most places to begin with. High flow cats from the BBK will not in most places as Fission just stated.

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Old 09-19-2014, 03:59 PM   #4
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How do you know the BBK mid pipe will be compatible with the Mac longtubes?
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Old 09-19-2014, 04:00 PM   #5
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Quote:
Originally Posted by Grabber Blue5.0 View Post
How do you know the BBK mid pipe will be compatible with the Mac longtubes?
You should always try to match brands of headers and midpipes

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Old 09-19-2014, 04:04 PM   #6
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The header collectors for the V6 aren't as varied as the 5.0. The only mid pipe I've seen that explicitly says it may not work is the Mac prochamber. It states it's designed for Mac headers.

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Old 09-19-2014, 04:31 PM   #7
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The bbk midpipe will not be a direct bolt on when trying to match it to your Mac lts. The macs collectors have a different angle than the bbk lts. The bbk come out level and straight while the macs angle down


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Old 09-20-2014, 08:19 AM   #8
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I have Mac LT's and Mac pro chamber mid. The mid has adjustment built in for install. I used the ends of the adjuster tubes and put MBS high flow cats on my pro chamber mid. All fits very cleanly and matches. I had to extend the O2 sensor wires for both front and rear sensors but that is not hard. The big plus is I love the way the pro chamber sounds and performance speaks for its self.
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