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.

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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.

Close-up of a high-performance engine bay with tuning equipment attached.
Close-up of a high-performance engine bay with tuning equipment attached.
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.

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