Re-Tune Service Calibration Adjustment This service supports naturally aspirated

This service supports naturally aspirated

Normal-driving and part-throttle optimization

Introducing Yosh Tuned Magnet

Fuel injectors or fuel pressure

Re-Tune Service Calibration Adjustment This service supports naturally aspiratedRe Tune Service for Existing Yosh Tuned Customers This service is exclusively for customers who previously purchased and completed a tuning service with Yosh Tuned and now need their calibration adjusted for new modifications. When to Purchase a Re Tune A re tune may be required after changing: Fuel injectors or fuel pressure Fuel type or ethanol content Intake, throttle body, manifold, header or exhaust Camshafts or other internal engine components