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.