06-11 Honda Civic SI FG Coupe K20 Performance Catback Exhaust -

• Product By DNA | SKU: CBE-HC06SI
• Performance Catback Exhaust For 2006-2011 Honda Civic Si
• Direct Replacement of Factory Exhaust
• Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
• TIG Welded CNC Machine Flange for Resistance Against Pressure and Corrosion
• Aggressive Deep and Smooth Tone Sound while Ensures Smooth Exhaust Gas Flow
• Increase Engine Output and Efficiency
• Dyno Proven to instantly Increases 15 to 25 Horsepower or Low End Torque
• 4" Muffler Tip, 2.25" Inlet
• 2.25" Piping Diameter
• Removable Exhaust Silencer
• Professional Installation Recommended

The most restrictive part of any exhaust system is the catalytic converter. The stock catalytic converter is meant to filter the flow of exhaust gases to reduce the amount of harmful gases into the atmosphere. Because of this, lots of potential performance is restrained. High Performance Piping eliminates the stock catalytic converter and reduce exhaust backpressure. The result brings out the vehicle? performance potential by giving it a free high flowing exhaust system.