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Old 04-02-2011, 10:55 AM   #1
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5XR upgrades

I have a 2011 5XR. I was wondering if things like cold air intake and programmer would help or hurt the performance.
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Old 04-02-2011, 10:57 AM   #2
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You have the Roush 5xr? Wow
I would think it would only enhance performance...
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Old 04-02-2011, 11:15 AM   #3
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Re: 5XR upgrades

Yeah I have a gray one. Number 70.

It runs great now, but I can always use a little more. I was afraid that Roush may have it tuned to peak performance already, and I might mess that up. I was wondering if anyone had any ideas.
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Old 04-02-2011, 11:35 AM   #4
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Not sure about that Roush model but the Roush sticker and brochure will say what they have done and if it has a tuned ecu.

If the car doesn't have the mods already it'll only help now.
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Old 04-02-2011, 12:06 PM   #5
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awesome stang ...i love roushes
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Old 04-11-2011, 07:46 AM   #6
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Re: 5XR upgrades

mmm 5xr what is it at 525... 550hp... I cant remember
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Old 04-11-2011, 09:32 AM   #7
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Quote:
Originally Posted by Topless04GT
mmm 5xr what is it at 525... 550hp... I cant remember
Roush rates it at 525. I want to put a different intake, programmer, and an off-road x-pipe but I am afraid of hurting any tuning Roush may have done.
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Old 04-11-2011, 10:32 AM   #8
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Re: 5XR upgrades

Roush leaves plenty on the table so dont worry... they are very conservative when it comes to power as they have to warranty that car. No matter what you must have the tune redone if you go changing things... which will void the warranty

you may not need a tune for exhaust for example but you need to have the tune checked after to ensure you are safe, heck I would even stock as you never know how roush tuned it (or what default can tune they stuck on it).

Was yours done via a ford dealership that is allowed to create official roush cars or was yours created directly by roush? figure that out first as well as both are official its just a matter of who did what... they used to do this and I assume they also continue it for roush.

You should be able to push that motor up to around 600-650hp (550rwhp) or so but any more you may wish to consider the GT500 platform.. but the limits of the 5.0 are still being determined.
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Old 04-12-2011, 05:20 PM   #9
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Re: 5XR upgrades

I bet if you contact them direct as the owner of one they can lead you in the right direction for sure. they may even be able to sell you some nice approved upgrade parts for it also.

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