The COBB Tuning Turboback is the ultimate power bundle for your 2015+ Subaru STI! Simple plug-in and bolt-on installation of these components offer excellent power gains, outstanding build quality and an impressive exhaust note. The Turboback includes: COBB 3″ SS Downpipe – Cast bellmouth and high-flow catalytic converter for optimal exhaust flow COBB 3″ SS Quad-Tip Cat-Back Exhaust – Beautiful fabrication and awesome rumble

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