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The aFe Takeda 2.5-inch 304 stainless steel cat-back exhaust for 2017–2020 Honda Civic Si Coupe with blue flame tips features dual 4.5-inch blue-flame stainless tips and a mitered merge collector to reduce turbulence and increase exhaust velocity. A direct bolt-on system with factory-style flange and hangers, mandrel-bent 304SS tubing and a high-flow muffler, it is 100% MIG welded and has 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) - BL Flame Tip
