-10%
Sold out
Injen 12-15 Honda Civic Si 2.4L 4cyl SS Axle-back Exhaust Injen INJSES1579
Injen 12-15 Honda Civic Si 2.4L 4cyl SS Axle-back Exhaust Injen INJSES1579
Injen 12-15 Honda Civic Si 2.4L 4cyl SS Axle-back Exhaust Injen INJSES1579
Click to zoom in

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

Injen
INJSES1579
843115018764
Axle Back
Out of stock
$ 524.95 $ 469.69
FREE Ground Shipping!

SKU: SES1579 | UPC: 843115018764

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

Injen Technology Super SES axle-back exhaust SES1579 installs directly behind the factory catalytic converter on 2012-2015 Honda Civic Si 2.4L 4cyl sedan models. Dyno-tuned to pair with Injen intakes this system boosts horsepower and torque throughout the RPM range for stronger acceleration and throttle response. Crafted for durability and sound it replaces restrictive stock piping with free-flowing design.

Key Features

  • Dyno-Tuned Performance: Tested for peak horsepower and torque gains across the powerband complements Injen intake systems for full exhaust flow
  • 304 Stainless Steel Build: 100% premium grade corrosion-resistant material ensures long-lasting finish and structural integrity
  • CNC Mandrel-Bent Tubing: 2.5-inch to 3-inch diameter smooth bends eliminate flow restrictions for improved exhaust velocity
  • CNC Machined Flanges: Precision flanges provide leak-free seals and perfect alignment with factory components
  • Robotic TIG Welding: High-strength seamless welds deliver reliability and aggressive deep tone with 4-inch double-wall polished slash-cut tips

Product Notes

  • Direct bolt-on replacement no cutting or welding needed
  • Retains factory hangers and heat shields for simple setup
  • Packages in protective boxing for damage-free delivery

Installation Notes

  • Professional installation recommended.
  • Bolt-on design uses factory mounting points complete hardware included
  • Requires basic tools torque wrench suggested for flanges

This Part Fits

Year Make Model Submodel
2012-2015 Honda Civic Si

Why Choose Injen Technology?

  • Leaders in performance air and exhaust since 1994
  • USA-designed systems with dyno-proven results
  • Focus on precision fitment and quality construction

Frequently Asked Questions

  • Q: Will SES1579 fit my 2012-2015 Honda Civic Si?
    A: Yes fits all 2012-2015 Honda Civic Si sedan models with 2.4L 4cyl engine direct bolt-on no modifications required
  • Q: What material is used in this exhaust?
    A: Constructed from 100% 304 stainless steel with mandrel-bent tubing polished tips and robotic TIG welds for durability
  • Q: What warranty covers this product?
    A: Backed by Injen limited lifetime warranty on stainless steel components and welds covers manufacturing defects

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Box dimensions 48 x 14 x 14 inches
  • Weight: 20 lbs product 25 lbs shipping
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Axle Back

Axle Back

Systems by Brand, Sound, and Vehicle Application Browse premium axle-back exhaust systems at Black Ops Auto Works, including performance-focused upgrades from trusted brands like MBRP, Borla, Corsa, aFe, Injen, REMARK, ISR Performance, Kooks, Torque Solution, and AWE. This collection is built for enthusiasts looking to improve exhaust sound, rear-section styling, and overall driving experience without replacing the full exhaust system. Whether you are upgrading a daily driver, muscle car, sport compact, truck, or SUV, our axle-back exhaust collection helps you find high-quality systems designed for aggressive tone, clean fitment, and long-term durability. Axle-Back Exhaust Systems for Sound, Style, and Performance Axle-back exhaust systems are a popular upgrade for drivers who want to change the rear section of the exhaust for a more distinctive tone and a more aggressive appearance. This collection supports shoppers searching for: Axle-back exhaust Axle-back muffler systems Perfor...

View Axle Back Products
Exhaust Systems

Exhaust Systems

Shop performance exhaust systems at Black Ops Auto Works for cars, trucks, SUVs, and enthusiast builds. This collection includes premium cat-back exhaust systems, axle-back exhausts, turbo-back exhausts, headers, manifolds, downpipes, mufflers, resonators, exhaust tips, connecting pipes, X-pipes, Y-pipes, H-pipes, and catalytic converters designed to improve exhaust flow, sound, style, and overall performance. Whether you are upgrading a street car, tow rig, off-road build, diesel truck, muscle car, or track-focused vehicle, our exhaust selection is built around quality materials, proven fitment, and performance-driven design. Shop Exhaust Systems by Category Browse exhaust components and systems for a wide range of performance needs, including: Cat-back exhaust systems Axle-back exhaust systems Turbo-back exhaust systems Header-back exhaust systems DPF-back exhaust systems Downpipes Headers and exhaust manifolds Direct-fit catalytic converters Universal catalytic converters Muffle...

View Exhaust Systems Products
Injen

Injen

At Black Ops Auto Works, we stock the complete lineup of Injen performance air intakes and exhaust systems dyno-proven for maximum horsepower, torque gains, and throttle response with a signature deep intake tone. Explore top-selling Injen Evolution sealed cold air intakes, SP Series polished intakes, SuperNano-Web dry filters, and cat-back exhausts featuring mandrel-bent tubing and high-flow mufflers for trucks, SUVs, muscle cars, and imports all CARB-approved where applicable with lifetime warranties. Injen Intake for Jeep Grand Cherokee – HEMI Power Unleashed Grand Cherokee owners choose the Injen Power-Flow cold air intake for increased airflow, cooler charge temps, and an aggressive engine sound on 5.7L V8 builds. Aluminum intake tube with massive filter Dyno-proven gains and improved throttle response Easy bolt-on with no tuning required Shop Popular Injen Intake for Jeep Grand Cherokee Injen Intake for Dodge Durango – V8 Muscle Upgrade Dodge Durango drivers upgrade to Inje...

View Injen Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×