Question 1

Will an ECU tune void my warranty?

Accepted Answer

Modifications can affect manufacturer warranty coverage. We provide stealth and reversible options where applicable, and recommend discussing your situation with us before tuning.

Question 2

What is the difference between Stage 1 and Stage 2?

Accepted Answer

Stage 1 is optimized for a fully stock vehicle. Stage 2 typically requires supporting bolt-ons such as a downpipe or upgraded intake, allowing larger gains in power and torque.

Question 3

Do you offer remote tuning?

Accepted Answer

Yes. Through certified AutoTuner hardware we deliver remote calibrations nationwide — securely, with full support before, during, and after the tune.

Question 4

Do you provide mobile tuning?

Accepted Answer

Absolutely. We offer on-site mobile tuning across New Jersey and surrounding areas. Contact us for service area details and scheduling.

Question 5

Can you repair a damaged or locked ECU?

Accepted Answer

We perform ECU repair, cloning, bench services, and immobilizer programming on a wide range of modules. Send us your part number for a quick assessment.

Question 6

Do you program keys?

Accepted Answer

Yes — key replacement and programming for European, American, and Japanese vehicles, including immobilizer adaptation when required.

SFA Tuning — Questions & Answers

Questions, answered straight.