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25” boost tube for optimal airflow
resulting in linear response and optimal blow-off operation at all boost levels
Mono-Tube damper with high pressure nitrogen
Chamfered and slotted like the OE pad to ensure noise-free braking
Part Number: SB5-HDSS
MagnaFlow Competition Series Axle Back Exhaust - 2015-2018 Subaru WRX / STI 2002-2007 WRX 25” boost tube for optimalThe MagnaFlow Competition Series Exhaust Systems are designed for those seeking maximum performance, reduced mass and an aggressive exhaust note that demands attention. These systems may not comply with all local or federal noise requirements. Competition Series Axle Back Exhaust The MagnaFlow Competition Series Exhaust Systems are designed for those seeking maximum performance, reduced mass and an aggressive exhaust note that demands attention. These