Injen 12-15 Honda Civic Si 2.4L 4cyl SS Axle-back Exhaust

The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel-bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the custom hangers, all Injen exhaust systems are 100% TIG welded and handcrafted in the USA and include all tubing, mufflers, and hardware necessary for a hassle free installation. Each system is uniquely designed to offer an aggressive sound that brings out some massive power. Like all other Injen products, the Injen exhaust systems are proudly built in Pomona, CA.

Additional Information

Performance Exhaust System, Part No. SES1579, 2012-2015 Honda Civic Si L4-2.4L.

Application Summary

Honda 2012-15 Civic Si 2.4L 4 cyl. Axle-back tune S.S. exhaust with embossed logos and S.S. resonated; rolled tips

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• Axle Back Exhaust System
• Beautiful 4.0"polished exhaust tip
• Dyno Proven gains of up to 7 hp and 6 lb-ft. of torque
• Features Injen's classic round JDM style rear muffler
• Full 60MM piping made from premium 304 SS Mandrel-Bent Tubing
• Hand Crafted and TIG Welded to Perfection for Strength and Durability
• If you're looking to improve sound, power, and looks then this is the system for you!
• Manufactured in Pomona, California USA
• No Cutting or Welding Required
• Premium Stainless Steel Hardware and Hangers
• Stainless Steel Investment Cast Flange for a Fast and Easy Install
• Stainless Steel Resonated w/Rolled Tips

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions
2.	Technical Drawing

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Exhaust System, Super SES, 304 Stainless Steel, Polished, Rear Axle-Back, Rear Exit, Polished Tip, Kit

Injen Technology's Super SES exhaust systems are dyno-tuned to complement their performance intake systems. In doing so, the Super SES systems provide maximum horsepower and torque across the power band. The Super SES exhaust systems are manufactured from 100 percent 304 stainless steel. Each exhaust system features CNC mandrel-bent stainless steel tubing, CNC-machined flanges, and robotic TIG welding. They also feature a straight-through muffler and Injen's unique flared tip design.