Dyno results, 60–130 and quarter-mile times from Racebox-tuned cars

The highest VR30 dyno result Racebox has published is 909 whp from an Infiniti Q50 on Temis/B6A Garrett G25 turbo kit and E45. Stock-turbo VR30 results on the board run from 401 whp to 536 whp depending on fuel and supporting mods; the top stock-turbo number is 536 whp from an Infiniti Q60 on stock turbos.

The highest GR Supra dyno result Racebox has published is 1101 whp from a Toyota GR Supra (A90) on BMR manifold with TurboSmart 7675 and E80. Stock-turbo GR Supra results on the board run from 396 whp to 513 whp depending on fuel and supporting mods; the top stock-turbo number is 513 whp from a Toyota A90 Supra on stock turbos and E45.

The highest B58 BMW dyno result Racebox has published is 912 whp from a BMW M240i (G42) on Extremeturbosystems 6 port turbo kit, Precision 6870 gen 2 and E85. Stock-turbo B58 BMW results on the board run from 422 whp to 502 whp depending on fuel and supporting mods; the top stock-turbo number is 502 whp from a BMW X5 40i on stock turbos.

The highest S58 dyno result Racebox has published is 1008 whp from a BMW M3 (G80) on RK Autowerks single turbo kit, Garrett G40-1150 and E80. Stock-turbo S58 results on the board run from 549 whp to 754 whp depending on fuel and supporting mods; the top stock-turbo number is 754 whp from a BMW X3M on stock turbos and E70.

The highest B48 dyno result Racebox has published is 507 whp from a Toyota GR Supra 2.0 (B48) on IPOS IM500 Turbo Upgrade and E85.

The car was tuned by Racebox on the street or remotely with datalogs and never put on the dyno, so there is no power number. The 60–130 or quarter-mile time still comes with its Dragy report or timeslip.

Stock means the factory turbochargers. Stock-location hybrids, drop-in upgrades and full turbo kits are all listed as upgraded turbos, so the stock-turbo filter only shows cars on the turbos they left the factory with.

Racebox dyno sheets are Dynojet printouts, and the correction factor is printed on the sheet you see when you open the result. Dyno graphs from customer and partner posts are listed as posted.

Only like for like. All numbers are wheel horsepower, most of them off the Racebox Dynojet with the correction factor printed on the sheet. A hub dyno generally reads higher than a Dynojet (about 10% on the same car) and a correction factor can add up to 17% to a turbo car at altitude, so compare like for like: why hub dynos read higher and why correction factors lie on turbo cars. When two shops disagree, trap speed and 60–130 time settle it, which is why every car here carries its track numbers next to its dyno number.

Elapsed time is what wins a race, so the boards rank by ET and call the lowest ET the quickest. Trap speed is available as its own sort for anyone comparing power at the top of the track.

Racebox customers can submit directly: sign in with the email you ordered your tune with at goracebox.com/pages/submit-result and send the dyno sheet, Dragy report or timeslip with your mod list. Every submission is checked by hand before it is listed, and customer names are never shown. You can also tag @goracebox on Instagram.