I think Injen is the first manufacturer to come up with a Cold Air Intake for the 3rd gen Mazda 3, BUT, only for automatic transmissions :sad 1:
Also, only states 2.0 engine.
Both intakes are available in black or chrome finish.
Part number SP6065P - 2014, 2015 Mazda 3 4 Cyl. 2.0L CAI w/MR Technology (Automatic Only)
Injen short ram is compatible with both transmissions:
SP6068P - 2014, 2015 Mazda 3 4 Cyl. 2.0L Ecoboost SRI fits Manual and Automatic Transmission
Also, only states 2.0 engine.
Both intakes are available in black or chrome finish.
Part number SP6065P - 2014, 2015 Mazda 3 4 Cyl. 2.0L CAI w/MR Technology (Automatic Only)

Injen short ram is compatible with both transmissions:
SP6068P - 2014, 2015 Mazda 3 4 Cyl. 2.0L Ecoboost SRI fits Manual and Automatic Transmission