GReddy Supreme SP Cat Back Exhaust Subaru STI Sedan 2011-2014 vendor_Perrin If you have not checked

If you have not checked the condition of your performance air filter during the last few oil changes

Saves on tire wear from aggressive camber

Cam Lift: Intake: 10

resulting in a lower center of gravity and improved performance and control

GReddy Supreme SP Cat Back Exhaust Subaru STI Sedan 2011-2014 vendor_Perrin If you have not checkedPart #: 10168201 GReddy Supreme SP Catback Exhaust Subaru STI Sedan 2011 2014 The legacy of the GReddy SP lives on with GReddys best version yet, the Supreme SP and to prove it carries a limited lifetime warranty! From the 1st flange to the new double wall GReddy Tip, each Supreme SP system features a high quality, hand Tig weld 304 stainless steel outer construction. Within the muffler, new straight through and directed straight though chambered