For 06-11 Civic SI 2DR JDM Chrome Catback Exhaust Muffler System 4" Tip 3" Pipe

List price: $249.99
Our price: $183.99
You save: $66.00 ( 26.40 %)

Availability: Sold out


  • 100% brand new items, never used or installed.
  • Performance stainless steel catback exhaust system.
  • Made by OEM approved manufacturers with materials that meets or exceeds strict OEM requirements.
  • Manufactured from CNC machined T-304 stainless steel piping with TIG welded steel flanges.
  • Improves engine performance and increases horsepower by significantly reducing exhaust flow restriction.
  • Produces an aggressive deep sounding tone while ensuring smoother exhaust flow efficiency.
  • Racing spec design to gain more horsepower, faster response, while averaging 15-20 extra HP.
  • Utilizes pre welded hangers for direct bolt-on fitment; no modifications required.
  • Includes gaskets, bolts, removable silencer, and pictured hardware.
  • MEASUREMENTS (Estimated):
    • Muffler Tip Diameter (Single Tip): 4.0" / 101.6mm
    • Inlet Diameter: 3.0" / 76.2mm
  • * Not intended for street applications, this item is intended for racing & competition purposes only. *
  • No installation guides are included, we highly recommend seeking professional installation.

Compatible/Replacement for:

  • 2006-2011 Honda Civic Si Coupe (FG1/FG2)

** Fits 2-door coupe models with K20Z3 2.0L DOHC engine only. **