Hurricane + JB4 Tuner

[Nick797]

It says can be removed "without a trace" in the features. Is that accurate as far as warranty implications?

The pros over this, of course this being new to the Mopar platform is you wouldn't end up with mileage mismatch from installing an unlocked PCM as well as the hard fault code "Aftermarket calibration detected warranty coverage verification required".

None of this information is entirely accurate as these device's aren't even out for the truck in question.

As far as power output the HP70/75 Has been pushed on several platforms, and I don't think a company would release a canned tune with the intentions of destructing the motor/transmission. I'd say let these trucks come out and let them work on this for that specific platform and see where we wind up! Just cool seeing the aftermarket availability and support on these new engines so soon.

Hurricanes being pushed already:

Yes, I'm aware of those upgrades for the BMW. I got my tune from Cedar Performance here in Dallas and they have a records for there for their runs. (Not sure if they still hold records)

My post wasn't regarding the power output. It was about the JB4 being removed without a trace. The TCM measures torque output and if it's off, then the dealer can dig deeper if they'd like to. The point I'm making is that if you think you can add this piggy back system and cause damage to the engine, the dealer can look at other modules for diagnostics. It's not a unplug and your scot free. Moral of the story is you have to pay to play. Nothing is without consequences.

This is agreed. On our current platforms getting this "claimed" power isn't as easy as the JB4 Seems. Have to send the PCM out, communicate with a tuner..install additional parts etc.

Again as mentioned before just excited to see what these trucks can/will do. I don't think anyone is modifying vehicles with the intention of hurting them and putting them back to stock and getting it all covered under warranty.

FWIW though the average flatrate tech that's going to pull one of these in a bay that is blown up isn't going to spend time to look into anything. The Hurricane isn't on a restriction list as far as having to get authorization from star as far as I recall, as opposed to the 6.2, 6.7 & 2.4 Tigershark which required a vehicle scan report with one sensor unplugged to ensure nothing was being manipulated.

 

[frogjbm]

Well yeah, they run them on BMWs. That's how the TCM issue came about. I'm just making people aware that just because you can unplug it for dealership warranty doesn't mean other modules aren't recording.

My point is, I’m not gonna be the guy doing it first, I’m going to sit back and observe everyone else and see how the truck responds to the upgrades. If it passes, I’ll consider it and make an informed decision.

 

[Dcchris311]

My point is, I’m not gonna be the guy doing it first, I’m going to sit back and observe everyone else and see how the truck responds to the upgrades. If it passes, I’ll consider it and make an informed decision.

I agree, to an extent. I wouldn't ever go with a piggy back but I would 100% send out my ecm to be unlocked for a tuning. It’ll definitely respond pretty good. Especially the HO, opening that exhaust alone will be pretty noticeable. The HO exhaust system uses the same exhaust gasket as the Hemi did which is a 2.25". I'll be doing a dual 3" SS exhaust system to get that nice deep tone.

 

[cconnorhtx]

I'll probably go for it as I am also tuned on my 'other' (flat) 6 cylinder twin turbo engine in my garage.

Anxious to see how they stack up

 

[Cautionary Tale]

My point is, I’m not gonna be the guy doing it first, I’m going to sit back and observe everyone else and see how the truck responds to the upgrades. If it passes, I’ll consider it and make an informed decision.

The biggest problem with making an informed decision is that it takes a bit of time and a lot of trust, that people will out themselves with issues, whilst facing a denial of warranty claims. I learned that lesson the hard way and 3 motors and 2 transmissions later, I stopped horsing around with such things... Yeah, I'm a slow learner and just love me some boost and blow-off valve

 

[frogjbm]

The biggest problem with making an informed decision is that it takes a bit of time and a lot of trust, that people will out themselves with issues, whilst facing a denial of warranty claims. I learned that lesson the hard way and 3 motors and 2 transmissions later, I stopped horsing around with such things... Yeah, I'm a slow learner and just love me some boost and blow-off valve

100%

 

[bshelton14]

Here's a link to a thread on the JB4 in the 5thGenRam forum. https://5thgenrams.com/community/threads/2025-i6-jb4-tuner.63390/

Cool video on the JB4 on a new 2025 RHO by IGM Auto.

 

[Irongoats]

The biggest problem with making an informed decision is that it takes a bit of time and a lot of trust, that people will out themselves with issues, whilst facing a denial of warranty claims. I learned that lesson the hard way and 3 motors and 2 transmissions later, I stopped horsing around with such things... Yeah, I'm a slow learner and just love me some boost and blow-off valve

I'm dumb I'm all in with getting this tuner.

 

[Joe86]

@azproducer What you think of the tune so far? any issues to report?

 

[lazerbeak]

Just got a JB4 for my wife's X5. Pretty sure I'll be getting one for my RHO too... just have to get the truck first!

 

[bshelton14]

I installed my new JB4 piggy back tuner yesterday on my 2025 Ram 1500 Limited with HO Hurricane I6. Here is a link to the install video.

 

[Nick797]

Just got a JB4 for my wife's X5. Pretty sure I'll be getting one for my RHO too... just have to get the truck first!

Let me know id be happy to help you with one!

 

[cconnorhtx]

I installed my new JB4 piggy back tuner yesterday on my 2025 Ram 1500 Limited with HO Hurricane I6. Here is a link to the install video.

That was a great video - thank you!

Was running through the firewall after you tucked into the cable tray difficult? Did you feed from the cab into the engine bay, or vice versa?

 

[bshelton14]

That was a great video - thank you!

Was running through the firewall after you tucked into the cable tray difficult? Did you feed from the cab into the engine bay, or vice versa?

Nick797, No, running through the firewall wasn't bad. There is a rubber boot with some factory wiring that is easy to get to on both sides. I have a snap on tool for running wires through firewalls that makes things easier. However, the plug on the JB4 OBDII connector wouldn't fit through the tool. So, I ran a fish tape through the snap on tool and just pulled the JB4 connector back through the boot from the drivers well attached to the fish tape.

Here is a link to the Snap on tool https://shop.snapon.com/product/Wire-Insertion-Tools/Wire-Insertion-Tool-Set-(Green)/WINS100G

 

[cconnorhtx]

Nick797, No, running through the firewall wasn't bad. There is a rubber boot with some factory wiring that is easy to get to on both sides. I have a snap on tool for running wires through firewalls that makes things easier. However, the plug on the JB4 OBDII connector wouldn't fit through the tool. So, I ran a fish tape through the snap on tool and just pulled the JB4 connector back through the boot from the drivers well attached to the fish tape.

Here is a link to the Snap on tool https://shop.snapon.com/product/Wire-Insertion-Tools/Wire-Insertion-Tool-Set-(Green)/WINS100G

This is perfect - thanks my friend!

 

[DangerDanJD]

My point is, I’m not gonna be the guy doing it first, I’m going to sit back and observe everyone else and see how the truck responds to the upgrades. If it passes, I’ll consider it and make an informed decision.

I might be the guy.

 

[Irongoats]

I might be the guy.

I'm doing also because why not but I need my truck first ha

 

[Nick797]

I might be the guy.

Let me know i'll take care of you the best we can price wise on one!

I'm doing also because why not but I need my truck first ha

You too!