COBB Tuning Subaru SS 3-inch Cat-Back Exhaust P/N – 515132 Cobb Tuning’s Subaru SS 3-inch Cat-Back Exhaust for the 2015+ WRX and STI features a TIG-welded 304 stainless-steel construction with one resonator and two mufflers. The exhaust employs a stamped flange at the down-pipe and laser-cut flanges at the […]
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