Injen axle-back exhaust for the 2012-2015 Honda Civic Si 2.4L. Built from full 60mm mandrel-bent 304 stainless tubing with Injen's classic round JDM-style rear muffler and resonated rolled tips for a clean, aggressive note. TIG-welded and handcrafted in Pomona CA with a stainless investment-cast flange, finished with a 4.0in polished tip. Dyno-proven gains up to 7 hp and 6 lb-ft; no cutting or welding required.
| Type | Axle-back performance exhaust |
| Material | 304 stainless steel - 60mm mandrel-bent piping |
| Muffler | Round JDM-style |
| Tips | 4.0in polished (resonated rolled) |
| Gains | Up to 7 hp / 6 lb-ft |
| Warranty | Injen Limited Lifetime |
| Part Number | SES1579 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2015 | Honda | Civic | Si |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
