Invidia Racing Series Single Exit Cat Back Exhaust - Titanium Tip - 2002-2007 Subaru WRX/STI PDM_rear-control-arms This is the ST Suspension

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Invidia Racing Series Single Exit Cat Back Exhaust - Titanium Tip - 2002-2007 Subaru WRX/STI PDM_rear-control-arms This is the ST SuspensionRacing Series Single Exit Cat Back Exhaust with Titanium Tip for the 2002 2007 Subaru WRX and STI The Invidia Racing Series Single Exit Cat Back with titanium tip for the 2002 2007 Subaru WRX and STI is Invidia's most aggressive cat back option for the classic GD chassis. The Racing Series uses a free flowing, minimally muffled design calibrated for performance use, louder than the N1 and Q300, with the exhaust flow capacity to support modified EJ