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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
The mellow "Touring" Cat-Back™ exhaust is part# 140053
Improved Cornering: Provides more predictable and responsive handling
time and time again
designed specifically for 2002-2021 Subaru WRX STI
When performing engine work on your 2004-2005 Subaru WRX
Grimmspeed Manual Boost Controller Black YMM_2009_STI The mellow "Touring" Cat-Back™ exhaustWelcome to the most refined manual boost controller available on the market today. During development, we worked hand in hand with tuners across the country to develop this device and ensure that it solves legitimate problems that they have with other existing boost controllers. The GrimmSpeed MBC allows you to raise OEM boost levels in a quick and efficient manner through superior boost range and ultra fine resolution (. 25 PSI click). Adding the MBC
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