Appropriate for:for Mazda 3 Mazdaspeed 2.3 2007-2013, for Mazda 6 Mazdaspeed, S, i 2.3 3.0 2006-2007, for Mazda CX-7 Grand Touring, Touring 2.3 2007-2012
Function:High-efficient fuel sprays and High Impedance Coils enable fast start-up in cold environments, low fuel consumption, and better performance.
Installation Instructions:Professional installation is highly recommended: Fuel injectors directly affect the air/fuel ratio for the engine and new fuel injectors do require a new or updated tune. We also suggest that you check the other component of the engine before installation.
Please Notice:Note: Please make sure your model's ENGINE and TRIM are as described before purchasing!