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aFe Takeda 2.5" 304SS cat-back exhaust for 2017–2020 Honda Civic Si (L4-1.5L, turbo) is a direct bolt-on system using factory-style flanges and hangers for hassle-free installation. Constructed from 2.5" mandrel-bent 304 stainless tubing, it features a mitered merge collector and dual 4.5" carbon-fiber-clad stainless tips. Designed for fit and flow, measured gains up to +3 HP and +5 lb-ft of torque.
aFe Takeda 2.5in 304SS Cat-Back Exhaust System 17-20 Honda Civic SI Coupe L4-1.5L (t)
