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Injen 06-09 Civic Si Coupe & Sedan 60mm Axle-back Exhaust

SKU: INJSES1577

Exhaust Systems

INJ Axle Back Exhaust...

Injen 06-09 Civic Si Coupe & Sedan 60mm Axle-back Exhaust

SKU: INJSES1577

Exhaust Systems

INJ Axle Back Exhaust...

A$1,091.49
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Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Injen, Injen Technology StreetFX SKU injSES1577 SFX Item ID 4242852 Accounting SKU inj-SES1577 Manufacturer SKU SES1577 Manufacturer UPC 843115013424 Alternative References INJ-SES1577

Injen 06-09 Civic Si Coupe & Sedan 60mm 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. SES1577, 2006-2011 Honda Civic Si L4-2.0L.

Application Summary

Honda 06-11 Civic Si Coupe/Sedan 60mm axle-back system w/4in. S.S. Tip

Features and Benefits

  • Axle Back exhaust system
  • Beautiful 4.0"polished exhaust tip
  • Dyno Proven gains of up to 5 hp and 4 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

Product Details

Catalytic Converter Quantity:0
Compatible Throttle Controller:PT0004B
Description:Axle-Back Exhaust System
Exhaust System Connection:Flanged
Exhaust Type:Single
Exit Position:Rear
Finish:Polished
Grade Type:Performance
Hangers Included:Yes
Hardware Included:No
Material:Stainless Steel
Muffler Body Diameter:5.5
Muffler Body Length:12
Muffler Body Material:304 Stainless Steel
Muffler Body Shape:Round
Muffler Flanged Inlet:No
Muffler Flanged Outlet:No
Muffler Let Size:2.375
Muffler Outlet Quantity:1
Muffler Outlet Size:2.375
Muffler Quantity:1
Part Number:injSES1577
Pipe Material:304 Stainless Steel
Piping:60mm
Primary Pipe OD:2.375
Stepped Pipe Diameter:No
System Type:Axle Back
Tail Pipe Material:Stainless Steel
Tail Pipe Outlet Outside Diameter:4
Tail Pipe Quantity:1
Tip Diameter:4.000 in.
Tip Size:4.0 in.
Tip:4in SS
Title:Injen Performance Exhaust System
Y-Pipe Included:No

Product Overview


Additional Application Notes
• Incl. Tubing/Hardware/4 in. Stainless Steel Tip; HP Gains +5.1 HP/Torque Gains +4.0 ft./lbs.; Polished

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.

Product Downloads

# Document Type Download
1. Installation Instructions

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.

Data: v2 - Desc: v4.2 - Upd: 2026-10-13 18:29:46

Product Overview

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.


Features and Benefits

  • Stainless Steel Resonated w/Rolled Tips
  • Dyno Proven gains of up to 5 hp and 4 lb-ft. of torque
  • Axle Back exhaust system
  • Full 60MM piping made from premium 304 SS Mandrel-Bent Tubing
  • Features Injen's classic round JDM style rear muffler
  • Beautiful 4.0"polished exhaust tip
  • Stainless Steel Investment Cast Flange for a Fast and Easy Install
  • Hand Crafted and TIG Welded to Perfection for Strength and Durability
  • No Cutting or Welding Required
  • Premium Stainless Steel Hardware and Hangers
  • If you're looking to improve sound, power, and looks then this is the system for you!
  • Manufactured in Pomona, California USA

Product Details

Catalytic Converter Quantity:0
Compatible Throttle Controller:PT0004B
Description:Axle-Back Exhaust System
Exhaust System Connection:Flanged
Exhaust Type:Single
Exit Position:Rear
Finish:Polished
Grade Type:Performance
Hangers Included:Yes
Hardware Included:No
Material:Stainless Steel
Muffler Body Diameter:5.5
Muffler Body Length:12
Muffler Body Material:304 Stainless Steel
Muffler Body Shape:Round
Muffler Flanged Inlet:No
Muffler Flanged Outlet:No
Muffler Let Size:2.375
Muffler Outlet Quantity:1
Muffler Outlet Size:2.375
Muffler Quantity:1
Part Number:injSES1577
Pipe Material:304 Stainless Steel
Piping:60mm
Primary Pipe OD:2.375
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:prop65_warning.jpg
Prop 65 Yes/No:Yes
Secondary Pipe OD:N/A
Stepped Pipe Diameter:No
System Type:Axle Back
Tail Pipe Material:Stainless Steel
Tail Pipe Outlet Outside Diameter:4
Tail Pipe Quantity:1
Tip Diameter:4.000 in.
Tip Size:4.0 in.
Tip:4in SS
Title:Injen Performance Exhaust System
WARNING CA Proposition 65 Message:This product can expose you to chemicals including Chromium; Nickel & Cobalt; which are known to the State of California to cause cancer.
WARNING CA Proposition 65:Yes
Y-Pipe Included:No

Application Summary

Honda 06-11 Civic Si Coupe/Sedan 60mm axle-back system w/4in. S.S. Tip

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-10-13 18:29:46

Features

  • Axle Back exhaust system
  • Beautiful 4.0"polished exhaust tip
  • Dyno Proven gains of up to 5 hp and 4 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

Specifications

Exhaust System, Rear Axle-back, Stainless Steel, Polished, Tip, for use on Honda®, 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.

Product Attributes
BrandInjen
Manufacturer's Part NumberSES1577
Part TypeExhaust Systems
Product LineInjen Super SES Stainless Exhaust Systems
UPC843115013424
System Material304 stainless steel
System StyleRear axle-back
Exhaust TypeSingle
Exit LocationRear
System FinishPolished
Catalytic Converter(s) IncludedNo
Intermediate Pipe Diameter (in.)2.38 in.
Muffler IncludedYes
Muffler QuantityOne
Muffler ConfigurationSingle inlet/Single outlet
Muffler StylePerforated tube
Muffler Material304 stainless steel
Muffler ColorPolished
Hardware IncludedYes
Tailpipe Diameter (in.)2.38 in.
Tip IncludedYes
Tip Outlet Size (in.)4.00
Tip Quantity1
Tip ShapeRound
Tip CutSlant
Tip Edge StyleNon-rolled edge, single-wall
Tip Material304 stainless steel
Tip ColorPolished
RemanufacturedNo
QuantitySold as a kit.
Special AttentionIt is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.

Product Details

Catalytic Converter Quantity:0
Compatible Throttle Controller:PT0004B
Description:Axle-Back Exhaust System
Exhaust System Connection:Flanged
Exhaust Type:Single
Exit Position:Rear
Finish:Polished
Grade Type:Performance
Hangers Included:Yes
Hardware Included:No
Material:Stainless Steel
Muffler Body Diameter:5.5
Muffler Body Length:12
Muffler Body Material:304 Stainless Steel
Muffler Body Shape:Round
Muffler Flanged Inlet:No
Muffler Flanged Outlet:No
Muffler Let Size:2.375
Muffler Outlet Quantity:1
Muffler Outlet Size:2.375
Muffler Quantity:1
Part Number:injSES1577
Pipe Material:304 Stainless Steel
Piping:60mm
Primary Pipe OD:2.375
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:prop65_warning.jpg
Prop 65 Yes/No:Yes
Secondary Pipe OD:N/A
Stepped Pipe Diameter:No
System Type:Axle Back
Tail Pipe Material:Stainless Steel
Tail Pipe Outlet Outside Diameter:4
Tail Pipe Quantity:1
Tip Diameter:4.000 in.
Tip Size:4.0 in.
Tip:4in SS
Title:Injen Performance Exhaust System
WARNING CA Proposition 65 Message:This product can expose you to chemicals including Chromium; Nickel & Cobalt; which are known to the State of California to cause cancer.
WARNING CA Proposition 65:Yes
Y-Pipe Included:No

Reference Information

Brand Name/s Injen
StreetFX SKU injSES1577
SFX Item ID 4242852
Supplier Item Code 4242852
Manufacturer SKU SES1577
Manufacturer UPC 843115013424
Alternative References 60mm

Brochures

Compatibility

Injen 06-09 Civic Si Coupe & Sedan 60mm Axle-back Exhaust
Year RangeMakeModelSubmodelsRegion
2006-2011 Honda Civic Si, MUGEN Si US

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.

Detailed Compatibility


Application Data
Application NotesInjen Performance Exhaust System; Axle Back
Bed Length Inches/CentimetersN/R, N/R
Beginning Year2006
Body StyleCoupe
CC1998
CID122
DrivetrainFWD
Ending Year2011
Engine FamilyHONDA L4 GAS
Engine Size2.0L/122
Engine TypeL4
Liter2.0
MakeHONDA
ModelCIVIC
RegionUSA
SubmodelSI
TransmissionManual
Application NotesInjen Performance Exhaust System; Axle Back
Bed Length Inches/CentimetersN/R, N/R
Beginning Year2007
Body StyleSedan
CC1998
CID122
DrivetrainFWD
Ending Year2011
Engine FamilyHONDA L4 GAS
Engine Size2.0L/122
Engine TypeL4
Liter2.0
MakeHONDA
ModelCIVIC
RegionUSA
SubmodelSI
TransmissionManual

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.

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