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

by Injen
Sold out
Original price $524.95 - Original price $524.95
Original price $524.95
$552.58
$552.58 - $552.58
Current price $552.58

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.

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

This Part Fits:

Year Make Model Submodel
2012-2015 Honda Civic Si

Processing & Shipping Overview

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Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.

Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.

For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.



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