US$ 32.00
and aggressive street performance
you will need this catback adapter by our friends at GrimmSpeed
2005-2009 Subaru Legacy GT / Spec B
but it's really that easy
Part Number: BSR33XZ
AEM Cold Air Intake Polished Subaru WRX / STI 2006-2007 | 21-477P 370Z_2009-2020 and aggressive street performanceThe AEM 21 477 Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Subaru Impreza WRX WRX STI, Forester Turbo and SAAB 9 2X models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The
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