Agency Power Catback Exhaust STI Sedan (2011-2018) Audi Actual horsepower values will vary

Actual horsepower values will vary depending on other installed hardware

GrimmSpeed’s high density core has a massive heat transfer surface area but maintains a large enough cross-sectional flow area that there’s very little added restriction

This product requires you to weld your internal wastegate bracket OR purchase a GrimmSpeed internal wastegate bracket (sold separately)

- Installs in under 30 minutes

Neuspeed Race Springs for the Audi A3 (8P) 2

Agency Power Catback Exhaust STI Sedan (2011-2018) Audi Actual horsepower values will varyAgency Power has developed one of the best sounding and performing exhaust systems for the 2011+ Subaru STi Sedan. The new exhaust features an all T304 stainless steel piping in 3inch diameter from the catback. The piping is all hand polished featuring robotic TIG welding. The midpipe includes a resonator to assist in keeping that traditional boxxer engine sound with an exotic race tone touch that does not drone in the cabin. The inch thick flanges