Tuning with HP Tuners unlock the hidden power of your GM vehicle with our professional Tuning Service. Engine and Transmission tuning available. All tuning has a Love it or do not pay guarantee. Make your 6L80/6L90 come alive! Wake up your lazy 8L90! Make that 6.0L scream!
We focus exclusively on General Motors transmissions, ensuring unparalleled knowledge and precision in every repair or rebuild.
We use only premium, OEM-compatible parts to guarantee durability and performance for your transmission.
Efficient service, usually within a day or two, means your vehicle is back on the road quickly, minimizing downtime.
Our team consists of certified professionals with years of experience with GM transmissions.
No hidden fees—just clear, upfront pricing so you know exactly what to expect.
Our 5-star reviews reflect our commitment to exceptional service and customer care.
All our transmission services come with a reliable warranty for your peace of mind.
Not local? Not a problem. We can also ship your transmission to you. Ask us for details.