The COBB Tuning Stage 1+ Power Pack is the ultimate power bundle for your 1st Gen MAZDASPEED3! Simple plug-in and bolt-on installation offers excellent power gains with outstanding build quality. The Stage 1+ Power Pack includes: COBB Accessport – The most comprehensive MAZDASPEED OEM ECU tuning solution available. SF Intake & airbox – Power, looks, and sound! Turbo Inlet Hose – Optimized flow to your turbo! Rear Engine Mount – Improve traction and reduce wheel hop! The Stage 1+ Power Pack comes with your choice of either blue or black color for the SF Intake and Turbo Inlet hose.