Precision Tuning Proven Results
Custom EFI tuning for GM LS/LT and HEMI platforms, tailored to your driving style and performance goals.
Precision Tuning, Personalized
At tuned by jimmy, we tailor every EFI tune to unlock your engine’s true potential, whether it’s power, smoothness, or efficiency.
100s
5 Stars
Every Review
Of Satisfied Customers
Our Services
Precision EFI tuning tailored for GM LS/ LT and HEMI platforms
Obtain that big horsepower goal
Unlock your engine’s full potential with custom horsepower tuning.
Demystify your swap project
Smooth out your ride with tuning focused on everyday drivability.
Each tune is crafted to match your unique driving style and goals.
Dial-in that bolt-on modification
Featured Customer Rides
Videos of finely tuned engines and happy customers.
Stay Tuned In
Get updates on custom tunes and tips