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We'll have them in stock very soon and will update this thread when the DIY kits are available.

No issues at all. You’ll have the ability to flash back to stock or to any other tune options we have, at your leisure.

Overland Tailor Tuning (OTT) is proud to announce the official release of our highly anticipated ECU and TCU tuning solutions for the 2024+ Toyota Tacoma featuring the 2.4L (T24A-FTS) engine in both gas and hybrid variants. After more than 6 months of extensive development and in-house testing...

Bring us a truck running the fuel you want tested and we’ll provide the testing free of charge. This was a vehicle supplied to us. We can’t (always) control what fuel is used. It should also be noted that this isn’t a “special” tune for 91 octane or premium fuel in general. Our Stage 1...

2024 Tacoma TRD Pro (Hybrid) with the OTT sauce. These new Hybrids are straight workhorses. Here's a sneak peek of our Stage 1 calibration for the new 2.4L-T Hybrids: Red: 2024 Tacoma TRD Pro, Stock Truck w/ Stock Calibration Blue: 2024 Tacoma TRD Pro, Stock Truck w/ OTT Stage 1 Calibration

Exciting News! We’ll be launching with Hybrid support!

We've gathered the calibration data for the Pro/Trail Hunter (TH) airbox and will be putting it on the dyno soon to provide performance data. One important takeaway is that the Pro/Trail Hunter airbox has a higher airflow ceiling before the MAF sensor reaches its limit. This means it can...

As promised, we have an update for you with developments on this topic. We have successfully reworked the MAF calibration for the TRD Pro & Trail Hunter airbox to allow use and retrofitting on non-Pro & Trail Hunter models. We're pleased to announce that we'll be able to offer calibration...

Any aftermarket part or modification added to a vehicle can affect the warranty. ECU tuning is no different. There have been no issues or reports of warranty problems across multiple platforms we tune with the number of tuned vehicles into the 10's of thousands to date. If you are concerned...

It was great having you on-scene to sample some of what goes into development. As someone familiar with the previous platform and some of the various tuning options available, you have perspective on the new 4G platform that those coming to the Tacoma platform wouldn't share. I appreciate your...

E-Mail: [email protected] Web: www.tk421tuning.com FB: www.facebook.com/tk421tuning IG: www.instagram.com/tk421tuning We have a few PNW retailers, with a brand new retailer onboarding in Bellingham, WA. Check with PNW Tuning or Cemented Tuning to see who might be servicing your area. All...

At Overland Tailor Tuning (OTT), we're committed to delivering cutting-edge solutions and accurate information for your Toyota tuning needs. During our research and development—along with valuable feedback from the community/customers—we’ve uncovered a critical issue that 4th Gen Tacoma owners...

During this testing, the truck had 91 Octane in it for both the stock and tuned run. Unless explicitly stated, we'll always compare the vehicle in a "back-to-back" state to avoid confusion. I've updated the original post.

Hey guys! Hope everyone had a wonderful holiday season! It's been a while, but we've been hard at work with development. We're making progress and have the transmission details worked out giving us control by drive mode status and other developments. I wanted to drop in and remind everyone that...

Yes sir! Our 2016-2023 Tacoma 3.5L calibration carries CARB EO D-883. We fully intend to have the 2024+ models follow along. I do not have an ETA at this time, however.

Feel free to follow along for the non-hybrid development here - https://www.tacoma4g.com/forum/threads/overland-tailor-tuning-ott-4g-2024-tacoma-development.6951/ We'll have an additional post specific to hybrid development as we have more to share.

Website is admittedly LONG outdated. We're in the process of a total revamp with a 4G specific section. Apologies on that. The 'old' site however should still be up: https://overlandtailor.com/

Our flashing method does not record any RoB history. GTS+ will not report or indicate the ECU has been flashed. This was one of the highest priorities of ours - ensuring no “flags” are set/recorded during our flash.

Piggyback controllers utilize a signal intercept method of manipulating the various inputs and the respective output from ECU to achieve their target effect (more boost for example). In order to make an effective change, the signal input(s) to the ECU are “spoofed” or manipulated/clamped to...

Apologies for the delay in responding! Our OEM+ offering is available for non-hybrid models right now. We've not formally announced/released it as some specialized pieces of kit are necessary to flash these new ECUs. We have a large order to supply our retailers with the necessary equipment...