Is Ecu Tuning Legal in California
ECU tuning is legal in California if it complies with CARB regulations. Modifications must not increase emissions beyond state limits. CARB-approved tuning options exist, but non-compliant tuning can result in smog check failures, fines, and registration denial. Off-road or racing vehicles may be exempt but require documentation. Understanding ECU Tuning ECU tuning, a term often…