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Old 10-10-2012, 10:56 PM   #81
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I have never datalogged mine and it runs like a champ. They have done so many of our gens that they know where to set the tune at. I highly suggest you install the tune first otherwise your car will have a CEL code for the second cat having a fault because it is no longer used when you go header.
Your tune can be fine tuned after you have both the header and tune installed but as I stated mine has never been datalogged and Randy at FSwerks has adjusted my tunes several times for other things such as increasing the transmission pressure(=

This actually gives me a little anxiety. I've been around hundreds of tuning shops and been around some of the best tuners and honestly no car runs the same with the same mods. No matter how many they have done, all cars run differently. Shift point tunes don't need data logging but tunes for a/f ratio changes (intake/header/exhaust) all require specific tuning if your want your car running 100% . I bet if you data logged and had a tuner check it over there's room for improvement.

Forgot to add, when most tunes are sent out, the tune that comes preloaded is usually just a test tune before datalogging, and probably shouldn't be used in the long run, without precision tweaking for your specific car and the way it runs specifically. just an FYI

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Old 10-11-2012, 06:03 AM   #82
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yes but while there may be room for improvement it would be such a subtle difference that its irrelevant unless trying to make your track time better by a tiny bit. For a Daily Driver that only sees the street the Settings they have the tunes at is very good
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Old 10-11-2012, 08:47 AM   #83
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yes but while there may be room for improvement it would be such a subtle difference that its irrelevant unless trying to make your track time better by a tiny bit. For a Daily Driver that only sees the street the Settings they have the tunes at is very good
In a way yes, but it helps the car maximize better, in mpg, a/f ratio, not just power

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Old 10-11-2012, 03:58 PM   #84
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This actually gives me a little anxiety. I've been around hundreds of tuning shops and been around some of the best tuners and honestly no car runs the same with the same mods. No matter how many they have done, all cars run differently. Shift point tunes don't need data logging but tunes for a/f ratio changes (intake/header/exhaust) all require specific tuning if your want your car running 100% . I bet if you data logged and had a tuner check it over there's room for improvement.

Forgot to add, when most tunes are sent out, the tune that comes preloaded is usually just a test tune before datalogging, and probably shouldn't be used in the long run, without precision tweaking for your specific car and the way it runs specifically. just an FYI

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this ^^ you want the most out of your car, you get it tuned personally.
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Old 10-11-2012, 10:32 PM   #85
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My car runs awesome w/ a Fwerks header/cams & tune. Very very smooth & pulls great.
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Old 10-14-2012, 07:13 PM   #86
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FINALLY the WAIT is over.

Special thanks to WRC_FAN for helping out during the install !!!!!!

YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.




Race Exhaust and Race Header sound good. Don't really think I need a stealth resonator any time soon.
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Old 10-14-2012, 08:05 PM   #87
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FINALLY the WAIT is over.


Race Exhaust and Race Header sound good. Don't really think I need a stealth resonator any time soon.
Sounds great for a little bit, a weekend or so. Great your header is installed.
You will later, try taking a 100+ mile trip w/ just the race exhaust. Trust me you'll be ordering at least a stealth muffler, later.
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Old 10-14-2012, 10:14 PM   #88
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Loved my FSwerks header when I had my Focus!
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Old 10-15-2012, 06:54 AM   #89
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i cant wait to install mine... why didnt you wrap it?
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Old 10-15-2012, 08:00 AM   #90
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Sounds great for a little bit, a weekend or so. Great your header is installed.
You will later, try taking a 100+ mile trip w/ just the race exhaust. Trust me you'll be ordering at least a stealth muffler, later.
LOL This^
It will be cool and all for a few days then when you get all of the loud ricer looks and try dealing with the resonance down the highway you will want another muffler haha
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