aFe Magnum FORCE Cold Air Intake System Spare Parts Kit T-Bolt (3-1/16in ID to 3-3/8in ID Range) Suspension>Bump Stops The system features BORLA(r)'S Polyphonic

The system features BORLA(r)'S Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Sharpened steering response will improve initial turn-in making the car feel lighter and more agile

ISR Performance Pro Series Coilovers - Subaru Impreza  (STI ONLY) - 08-13

and drift circuit

aFe Magnum FORCE Cold Air Intake System Spare Parts Kit T-Bolt (3-1/16in ID to 3-3/8in ID Range) Suspension>Bump Stops The system features BORLA(r)'S PolyphonicIdeal for air intake system applications, our heavy duty T Bolt clamps provide secure connections for hose to tube interfaces with diameters ranging from 3 1 16 to 3 3 8.