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ecoboost catless y pipe

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Old 09-18-2012, 11:29 PM
  #191  
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Well please, blow your truck up so we can all benefit HAHA
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Old 09-19-2012, 12:04 PM
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How much performance difference is between Catless y pipe and high flow Cats y pipe?
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Old 09-19-2012, 12:54 PM
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Not enough to deal with the sound of a catless pipe or the emissions hassle.
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Old 09-19-2012, 01:22 PM
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I don't think the sound would be too much more, I think Rick from LMS said it was fairly mild with stock cat-back. I have a friend with a di turbo Mazda and he has a tune that passes the sniffer test w/o cats. The catted version is a bit pricy, but I'm cheap.
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Old 09-19-2012, 04:06 PM
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With a stock cat back is one thing. I'm assuming aftermarket cat back to help everything flow the best it can.
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Old 09-19-2012, 04:34 PM
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That turbo whistle is glorious!
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Old 09-26-2012, 10:45 AM
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Old 09-26-2012, 01:03 PM
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I have a MAK y-pipe coming in today. I'll have pictures and video with the stock muffler/resonator.
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Old 09-26-2012, 07:18 PM
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Well ****..it seems like someone decided to put in one of the wideband sensors using the Hulk.

Stripped!

If I can't get one from Ford tonight, is there any AutoZone alternative? Bosch wideband?

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Old 09-26-2012, 08:52 PM
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Prepare for some sticker shock...

Always a good idea to spray them with some penetrating oil. Hopefully you lubed them up with some anti seize prior to putting in the new pipe.
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