TUNED BY KEITHBY CALIBRATIONS LLC

THE CARS / THE DATA / THE EXPERIENCE

Behind the tune.

Explore the builds, dyno sessions and competition history behind my work. These stories bring together original AWD Tuning media, dated results and the details that shape the driving experience.

BUILD GALLERY

Get to know the cars.

My white 2015 STI

My own Subaru development car, with original photos, videos and the tuning history behind the setup.

Explore my STI →

DYNO NOTEBOOK

Results with context.

2014 Porsche 911 Turbo S / COBB

2014 911 Turbo S peak horsepower comparisonApril 17, 2019 Mustang dyno reports: baseline 510 horsepower, revised tune 543 horsepower. Bars compare separate peak values, not full curves.Peak horsepower · April 17, 2019Baseline510Revised tune543

A 33 hp increase in recorded peak power. This graphic summarizes the original corrected Mustang dyno results; it is not a reproduction of the power curves.

See the Porsche dyno records →

Four Porsche COBB examples

From a 374 hp Macan GTS to a 624.9 hp 2018 911 Turbo S, explore dated results from cars I personally tuned.

Individual chassis-dyno results reflect each car’s setup and test conditions.

Explore Porsche tuning results →

Thomas’s Haltech STI

The July 8, 2025 record reports 767.3 hp and 562.2 lb-ft with an EFR 9280 setup at 34 psi.

Read the dyno history →

Lucas’s Emtron development

Follow the dated dyno history and the decisions behind a street-oriented STI. Peak output is one part of the story.

Explore the results and build →

HKS / ECUTEK / GR86

Thomas’s white 2024 GR86.

A low-boost HKS turbo build I tuned with EcuTek, documented at 10 psi on 93-octane fuel in February 2025. This project brings together hardware selection, throttle response and boost delivery for the complete driving experience.

Explore the HKS GR86 build & package ↗

ORIGINAL FOOTAGE

Watch the work.

BEYOND THE DYNO

Competition & event history.

Legacy / Texas half-mile

Mary’s Legacy SpecB at the 2015 Texas half-mile event, with a recorded 173 mph run.

Watch the Legacy run ↗

Drag & Brag / Texas Motor Speedway

AWD’s July 2016 footage features Mary’s Legacy SpecB against Chris’s GT-R at Friday Night Drags.

Watch the event footage ↗

What are you building?

Find a tuning service for your vehicle, or tell me about the project you want to develop.

Choose your tuning path ↗