COBB Cat-Back Exhaust for 2011-2014 WRX/STi Sedan (515122) USAshippingONLY Throw that oil cooler away

Throw that oil cooler away and buy a new one

(This kit also fits Evo 4-9)

Creating performance-oriented products that help shed unnecessary weight without sacrificing style is our specialty

more high rpm power is found by eliminating the physical "collapse" (and resulting power loss) experienced by hydraulic lifters at certain rpm thresholds and valve spring pressure levels

COBB Cat-Back Exhaust for 2011-2014 WRX/STi Sedan (515122) USAshippingONLY Throw that oil cooler awayThe COBB Cat Back Exhaust for 2011 2014 WRX and STi sedan models is constructed from 2. 5" and 3" mandrel bent stainless steel finished with polished quad 3. 5" tips showing off the etched COBB logo. Vehicle Fitment: 2011 2014 WRX Sedan 2011 2014 STi Sedan Features: 2. 5" & 3" 304 Stainless Steel Construction Ready to run with COBB OTS Maps Quad 3. 5" Tips CNC Mandrel Bent Tubing TIG Welded More from COBB: "The COBB Cat back Exhaust is a triumph in