Tapout Tuning

LF4 Performance Tuning Specialists

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Blue Belt Package Continues to Perform!

Our friend Rob recently drove his frost white ATS-V in from Tennessee for a Blue Belt Package dyno tune. He wanted to make sure that drivability remained as good as OEM but needed that extra kick out of the performance department.

Even with catted downpipes, Rob’s ATS-V put down 501 whp with a beautiful powerband that’s sure to get more smiles per gallon than ever before!

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

 

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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