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  #1  
Old 10-30-2009, 09:37 PM
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Join Date: May 2008
Location: Tujunga,CA
Vehicle: 2005 Ford F150
Posts: 40
Cracked Exhaust Manifold, Let talk Headers!

So last weekend I was coming back from a trip to the desert and started getting a weird sound the last leg home. Turns out I have a cracked exhaust manifold on the passenger side. Looks like this is somewhat common, as they only sell OEM passenger one in the aftermarket. So not wanting to replace this more then once I'm thinking on ordering headers. So my question is what's the best for a bolt on swap?

My current set up is.
5.4 Screw 3.73 L/S 2wd
K&N toss in
EDGE Evo (always on 2, tow on 3)
Gibson Exhaust

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  #2  
Old 10-30-2009, 09:51 PM
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Join Date: Feb 2009
Location: SO CAL
Vehicle: 2003 Ford F150
Posts: 1,869
Send a message via AIM to migdaddy
easiest to bolt on: shorties (very minimal gains)
PITA to bolt on: longtubes (with a custom tune, usual gains of 30/35)

prices for LTS range from 300-1200 depending on brand and quality.
Shorties are cheap, no more than 300. only shorties worth getting are Banks Torque Tubes.
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2003 F150 5.4. 20" Bazo B4 wheels wrapped in Nitto 420s. 3" Dynomax Bullet . K&N Intake. 2" rear drop shackles. 4:10 gears.



Bullet Start up/Rev
Bullet WOT
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  #3  
Old 11-01-2009, 12:33 PM
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Join Date: Nov 2004
Location: NW Indiana
Vehicle: 1998 Ford Expy 5.4
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Send a message via AIM to Camarothatcould
i can never find lontubes online..... anybody gots links?
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the Lead sled

Swapped 5.4. . . cause 4.6's are only good for taxi's and boat anchors. . .
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  #4  
Old 11-01-2009, 01:10 PM
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Join Date: Oct 2009
Location: MO
Vehicle: 2006 Ford F150
Posts: 360
What years are affected with this problem?
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2006 F150 XLT 5.4 4x4
Performance: Cheap ebay CAI w/ K&N filter, Delta Force tuning
Exhaust: Stock manifolds, NO cats, 2.5" true duals, Magnaflow X pipe, Original 40 Series Flowmasters, 3.5" stainless tips
Other mods: Nathan Airchime K3LA locomotive horns

Exhaust videos:
Idle, rev and hammer it!
Cruising by
Pulling up to an idle
Inside accelerating and cruising
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  #5  
Old 11-01-2009, 02:26 PM
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Join Date: Jun 2009
Location: Killeen TX
Vehicle: 1999 Ford F150
Posts: 110
hows the obx headers? i have heard good stuff bout the price but has anyone seen gains on a dyno
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  #6  
Old 11-01-2009, 02:42 PM
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Join Date: Aug 2007
Location: Ontario, Canada
Vehicle: 2006 Ford FX4
Posts: 72
Quote:
Originally Posted by avfrog View Post
What years are affected with this problem?
My 06 FX4 has a cracked passenger manifold, its going in for warranty tomorrow. My truck has 60000 km on it. I am looking into headers as well.
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06 FX4 Super Crew
Magnaflow SI/DO exhaust
Edge programmer /PHP custom tune
K&N drop-in
2" Auto Spring levelling kit
1 1/2 "Auto Spring rear block
295/70/18's Nitto Grapplers
5% tint all around
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  #7  
Old 11-01-2009, 04:58 PM
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Join Date: Feb 2009
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Vehicle: 2003 Ford F150
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Send a message via AIM to migdaddy
theres a lot of vendors who sell LTs. do a google search and you should find some. i know Jegs has a lot in stock. 1999-2003 i would get Doug Thorley.
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2003 F150 5.4. 20" Bazo B4 wheels wrapped in Nitto 420s. 3" Dynomax Bullet . K&N Intake. 2" rear drop shackles. 4:10 gears.



Bullet Start up/Rev
Bullet WOT
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  #8  
Old 11-03-2009, 08:51 PM
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Join Date: May 2008
Location: Tujunga,CA
Vehicle: 2005 Ford F150
Posts: 40
I ordered a set of JBA's from Stage 3, if they get here this week, I'll put them on over the weekend.
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