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2007-2008 S331 Sportruck For discussion of the F-150 platform "Thunder."

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Old 03-16-2010
spacecowby573 spacecowby573 is offline
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Default 2007 S331 N/A upgrades?

I have a 2007 S331 NA completely stock. I am looking to do some performance upgrades in the range of $1000-$1500. I was thinking about the usual: intake, headers, exhaust but I figured I wouldn't becuase of course it already has the ram air intake and magnaflow exhaust. Any suggestions?
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Old 03-16-2010
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2007SaleenS331 2007SaleenS331 is offline
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I would give Troyer Performance or JDM Performance a call....they could give you some ideas to get the best bang for your buck. The first thing I would do is get some 4.56 gears....those 23 inch wheels need lower gears then the standard 3.73s that they come with.
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Old 03-20-2010
wcdean wcdean is offline
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definitely 4.56s; no question. the intake needs to be replaced. if you count the number of 90 degree bends in the tube you can see that the air flow is not all that great.

for an n/a you could get an underdrive pulley and an e-fan and those would also help along with the exhaust and headers. the stock exhaust is pretty restrictive (2.25") and is really not a true dual (has 1 DIDO muffler.) replacing it with a 2 muff setup and enlarging the piping will give you a little more of what you're looking for.

also, don't forget to add a supercharger; then you'll be all set...
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