Tapout Tuning

LF4 Performance Tuning Specialists

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Purple Belt ATS-V at Exodus Performance for the Win!

Whether you’re in our shop, completing your own installation work yourself or having another shop complete your Performance Package installation, we can provide you with a perfect tune no matter where you are!

Casey from Louisiana worked with our recommended shop, Exodus Performance in Austin, Texas to install and remote dyno tune our Purple Belt Performance Package.  Net results for this M6 car were 613 peak whp and 619 wtq. These ATS-Vs love the corn and for the 200 whp it can help you gain when coupled with our Purple Belt package, it’s easy to see why!

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Casey's Purple Belt ATS-V Dyno Chart

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Xtreme-DI Fuel Injectors Now Available!

We are happy to announce that Xtreme-DI fuel injectors for ATS-V and CT4-V Blackwing applications are now in stock for immediate shipment! These injectors start as brand new OEM Hitachi fuel injectors and are modified to flow 50% more fuel than stock. They are flow tested and matched in sets of six to flow within 0.5% of each other. They maintain stock idle characteristics, are perfectly linear and remain rock solid, even at 3,000 psi! These injectors provide drop-in fitment, with no adapters or pigtails required.

Every Xtreme-DI fuel injector set gets tested and matched at three different operating points and comes with full documentation:

–  0.8 ms. @ 290 psi (20 bar) for idle stability
–  10.0 ms. @ 1,450 psi (100 bar) for static flow reference (qstat)
–  6.0 ms @ 2,900 psi (200 bar) for WOT performance and stability

Please note that custom tuning is required for these fuel injectors. As the premier LF4 tuner worldwide, we will be happy to help in this area. You can find more details on our Remote Tuning services for the ATS-V and CT4-V Blackwing on TapoutTuning.com.

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Xtreme-DI LF4 Fuel Injectors

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Quicker than Midnight Steel!

The CT4-V Blackwing is an excellent looking car as it is, and when you pair it with the new Midnight Steel Metallic color option, man does this thing stand out! Add in the fact that this is an M6 car, and you’ve got one of our favorite combinations we’ve seen, and that’s before we added the mods!

Brian does a lot of road course racing, so he was looking to really improve his CT4-V Blackwing’s power and responsiveness. We worked with HP Tuners to unlock his ECM and then installed our Blue Belt Performance Package parts. After strapping it to our Dyno, Brian’s Blackwing picked up well over 100 whp and will be an entirely new beast on the track!

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Brian's M6 CT4-V Blackwing Brian's Blue Belt Dyno Chart

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CT4-V Blackwing Blue Belt Package Ready for the Track!

Matt and Sarah enjoy spending their time at the racetrack, and as such they knew they wanted to see what kind of extra power they could get out of their 2022 CT4-V Blackwing. They drove down from Michigan so we could install our Blue Belt Performance Package in addition to some regular maintenance.

On their travels here they picked up some bad fuel from a gas station and initially we were only able to get their Blackwing up to 485 whp. However, after adding some fresh 93-octane from our local trusted filling station we were able to build a nice and broad powerband peaking at 535 whp. This newfound power is sure to make a nice difference at the track!

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Blue Belt Package out the Door!

One of the many benefits of the ATS-V platform is how easy it is to pick up another 100 whp. With tuning and just a few bolt-ons, you’re well on your way to getting over the 500 whp mark.

Case in point, Donny just brought us his low mileage ATS-V coupe in from Illinois for Blue Belt upgrades. Even with Costco fuel in the tank, this car produced a very broad powerband with 508 peak whp.

If you’re looking to accomplish these same goals with your ATS-V or more, make sure to visit us at TapoutTuning.com!

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Donny's ATS-V Donny's Blue Belt ATS-V Dyno Chart