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F5 Jeep Flashpaq - 3874

Suggested retail: $388.95
Your Price: $349.95
Orders over $100 ship free. Orders placed before 2 PM MT will ship same day.
Product Details

Saves factory setting and returns easily to stock

The Flashpaq for Jeep is the industry-leading performance programmer for Jeep Wrangler TJ and JK models. With performance tunes and features engineered for added power and functionality, the Jeep Flashpaq has become the "people's champ" when it comes to a performance upgrade for any TJ and JK Wrangler. Equipped with a 2 year powertrain warranty, the Jeep Flashpaq is safe to install, delivers instant improvements, and offers tires, gear, and TPMS options. Note, this SKU covers Jeeps from 1998-2014. For 2015-UP coverage, please PN 3876.

Key Product Features:

Corrects speedometer for tire upgrades between 26- 42(JK Models Only)
Equipped with Superchips industry-leading performance tuning
Crawl tune for low speed off-roading in 4wd (JK only)
Speedometer recalibration for gear /axle swaps up to 5.38
Locking axle options with transfer case in 4-Hi & 4-Low (2007-14 Rubicon only)
ESP stability optimization (2011-14 automatic transmission models only)
Engine idle adjustability for winching
Daytime running light options (2007-14 models only)
One touch lane change
Accessory delay options (2011-14 models only - Includes adjustable delay for radios, accessory lights, and other aftermarket accessories tied to the same fuse)
Headlamp delay options (2011-14 models only)
Horn chirp and exterior lighting flash options when locking doors with keyless entry
Reads and clears diagnostic trouble codes
Internet updatable

* Results and feature set may vary based on vehicle make, model, and aftermarket upgrades. Read all instructions before installation and/or operation of this product use.
** This product has not been tested or validated on right hand drive Jeep applications or imported (non-American VIN based)Jeep applications. They are not supported by this product.

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Questions about buying this product? Our experts are available from 8 AM – 5 PM MT. Call today at 888-227-2447. Our sales team would be happy to answer any questions you have.
F5 Jeep Flashpaq is rated 4.7 out of 5 by 65.
Rated 5 out of 5 by from 1998 Jeep Grand Cherokee 5.9 limited I have had the super ships programmer on my 5.9 and it definitely woke up the Jeep and seemed to have “optimized” the shift points like Superchips states and I can honestly say it shifts better and more crisp. There was a noticeable difference in power with the performance tune but the mileage tune was where I noticed the most positive improvement! Great and easy to use ! Also no more speed limiter ! Great product!
Date published: 2018-08-18
Rated 5 out of 5 by from Wow I waited anxiously for 9 days for this baby to arrive. As soon as the UPS dropped it off I updated it and plugged it in. My 2007 JK no longer feels like a minivan. Throttle response is greatly improved, definitely feel more power. My speedometer finally reads correctly as well. I have only tried the 93 octane tune so far and havent put enough miles on it to check the MPG, but so far so good. My JK sat for over two years when I spun a rod bearing and didn't have the funds to replace the motor at the time. I got it back on the road about 2 months ago and until yesterday it was really underpowered. Thanks Superchips! Eventually I think I will be upgrading to the Traildash.
Date published: 2017-08-30
Rated 5 out of 5 by from GOOD SUPPORT i bought the flashpaq 3874 and installed on my 2008 jeep jk, after installing the tune for mileage save; the pcm stopped working, i contacted superchips support team and someone called Rich McKenzie contacted me from powertech. he tried to save my pcm many times sending me ignition updates but it didnt work, he asked me to ship the ecu to powertech and they will reimbourse the shipping fees, but the shipping was too high and then he sent me a new programmed ECU, whenever i just plugged the ecu, it worked, the ecu was free of charge. in conclusion, superchips support is a responsible department that covers damage, i recommend this item for everyone
Date published: 2018-03-26
Rated 5 out of 5 by from Wakes it up I got this because the 3.8 is so anemic and I really realized it when we got my wife a 2015 with the 3.6. I did not want to do an exhaust or a CAI and decided to give this a try. So I did a quick test of a street start from 1500 to 5000 rpm and the 87 tune was almost half a second faster than stock. I am now running the 93 tune and I can feel that it is faster above 3000 rpm when I am passing someone. It seems to take about a week of driving for the Jeep to "get used" to the tune. Overall I am happy with the purchase. It's not like dropping a Hemi but 10+% increase for the price is not a bad tradoff. Haven't needed the tire size switch yet but it will be coming soon with the next set.
Date published: 2017-05-24
Rated 4 out of 5 by from Great Company to buy from I had some problems with the ecm on my jeep after adding a supercharger. I expressed my concerns in a less than favorable review. To my surprise I was contacted by superchips management concerned about my problems. They not only listened to my concerns, they took the time to personally speak with the guys who finally tuned my jeep at Moab before Easter. This tells me powerteq goes above and beyond to support their customers and their product. They just flat out get it done. Thanks Superchips
Date published: 2017-05-03
Rated 4 out of 5 by from Good tuner, but had some issues after removing This will be a two part review: the first focusing on the tuner and the second on a major issue that I have with the product: Tuner: -Feature Rich -REALLY wakes up the JK -Easy to use (with one big caveat, see below) -Well built physical unit Issue: The Ignition software (which is integral to having the latest tune on your vehicle) is SEVERELY lacking. It's slow; it's clunky; it's not well done. The biggest issue I have is when it comes to uninstalling the tune from your vehicle. This process is poorly documented and there isn't a good test to ensure it is unlocked besides plugging it into another vehicle. I reverted the Jeep back to stock before it was sold and everything looked like it was fine and that my Superchips tuner would be unlocked for use with another JK. I give the tuner to my friend and the tuner was still VIN-locked to my JK that was sitting at the dealership already. \ I decided to just pay the $100 to unlock it, but the Ignition software is very poorly done. It wouldn't recognize the device on multiple machines or would error out when updating. Once I finally was able to get it updated, the only option that I was offered was to buy an extended warranty. I understand the reasoning for the VIN-lock, but the process for unlocking is not well defined or clearly done. Having the pay the $100 because of ambiguous unlocking guidelines/confirmations was annoying enough, but now I cannot even do that. That is frustrating and soured the experience.
Date published: 2017-05-25
Rated 5 out of 5 by from Must buy for lifted modified Jeeps I love this product. It leveled out my throttle response, helped a little with MPG, and has given me more HP. It also corrected my Speedo that was about 8-9 MPH off at freeway speeds. Great Product.
Date published: 2017-04-13
Rated 5 out of 5 by from Worth it, little frustrating but worth every penny I purchased this and had some issues out of the gate. My biggest gripe would be the process is not outlined very well between the on screen and manual directions. Customer support got the issue figured out and I'm up and running. I'm running the 85 octane millage program and have picked up 1.2 to 2 mpg's. pretty impressive considering I have a 20gal tank and a thirsty Hemi. I seem to have settled in at 14 mpg combined. Slightly better than what I would average with 89 octane. This has extended my millage enough to where I can go an extra day or two before visiting the gas station.
Date published: 2018-04-05
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2014 JK will the 3874 modify trans tunning at all?

Asked by: joehicks
We do not offer trans adjustment but if you have larger tires correcting that tire height with our device will help get your shift points back to where they should be
Answered by: Anthony M
Date published: 2018-08-16

Will this work on my 98 Jeep Cherokee 2wd 4.0L inline 6?

Asked by: Hunter6654
Yes it will You will see 24HP 28TQ to the wheels running our tuning
Answered by: Anthony M
Date published: 2018-07-24

Will this work on a TJ with a 2.4?

Asked by: GRG17
We do not support the 2.4 unfortunately
Answered by: Anthony M
Date published: 2018-07-11

I installed an aftermarket exhaust w/full length headers, can this make the necessary adjustments needed to clear the O2 sensor and misfiring codes?

Asked by: Bohndo
Unfortunately this will not support custom tuning or 02 delete. I would suggest checking out our sister company Diablosport
Answered by: Anthony M
Date published: 2018-07-05

Will the 3874 allow me to recalibrate the speedo on my '06 rubican.I hear that it can and that it can't

Asked by: maverick
We do not offer tire adjustment on the TJ only Jk
Answered by: Anthony M
Date published: 2018-07-03

Can I use this F5 Jeep Flashpaq - 3874 in several jeep's or only in one ????

Asked by: Bola 885
You can use this in different Jeeps but only 1 at a time
Answered by: Anthony M
Date published: 2018-07-03

I have a 99 xj with a big cam, 32 inch tires, but not jet, will it work for me?

Asked by: Sanric3740
Unfortunately it will not work if you plan on installing an aftermarket cam. That would require custom tuning
Answered by: Anthony M
Date published: 2018-06-25

Hi, Does this product support the international Jeeps? I've got a 2007 Grand Cherokee WH 5.7 Hemi (Called the WH as a export). Made in Austria. Which products will suit me? What are the possible solutions?

Asked by: Grigory
Unfortunately we do not support export vehicles
Answered by: Anthony M
Date published: 2018-06-13
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