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| 2009 to 2014 F-150 3.5L, 3.7L, 4.6L, 5.0L, 5.4L, and 6.2L equipped F-150s. |
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#1
Thu, September 30th, 2010, 06:52 PM
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are they original or aftermarket cats? some aftermarket cat aren't as efficient as OE. (fyi: i have no cats at all and periodically have the same code even with my rear HO2S turned off by bill
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#2
Fri, October 1st, 2010, 08:33 PM
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they are the hi flow cats that come with the header kit. So do you think this can be helped by tuning. The funny thing is i still hear the sound but the light isnt on anymore.
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 40 series Flowmasters, K@N CAI, Jet MAF, Troyer Under Drive Pulleys, Stainless Works Longtube headers/Hi Flow CATS w/X-pipe, Ram Air Hood G-Force, SCT X3 programmer with custom tunes
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#3
Fri, October 1st, 2010, 09:18 PM
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You need a retune after just LT headers or highflow cats. You definitely need one after both.
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#4
Fri, October 1st, 2010, 09:21 PM
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I'm running the truck stock right now. But the new customs are on their way.
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40 series Flowmasters, K@N CAI, Jet MAF, Troyer Under Drive Pulleys, Stainless Works Longtube headers/Hi Flow CATS w/X-pipe, Ram Air Hood G-Force, SCT X3 programmer with custom tunes
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#5
Fri, October 1st, 2010, 09:24 PM
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Ok, I guess just be very nice to the pedal until you get the new tunes.
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#6
Sat, October 2nd, 2010, 06:24 PM
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They said the found a small whole around the muffler and they welded that up. But the main problem is just the way the headers are made. They had the truck lifted and you could hear it while it was idleing, but where you could hear it, there isnt any wholes. So i guess its just something im going to have to live with but if you have the radio on, you really cant hear it.
little to late for being easy on the pedal  . but ill keep that in mind PHP said they should be ready sometime next week.
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40 series Flowmasters, K@N CAI, Jet MAF, Troyer Under Drive Pulleys, Stainless Works Longtube headers/Hi Flow CATS w/X-pipe, Ram Air Hood G-Force, SCT X3 programmer with custom tunes
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