Consider the Catback Exhaust System 4″ Round Muffler Tip For 12-15 Honda Civic 2-Door FG3/FG4 1.8L SOHC sourced: we stock it, verify it and send it out fast.

Exhaust components manage heat, flow and sound while meeting emissions requirements. Support the pipe while tightening so the flange seats squarely.
Shops order the catback exhaust system 4″ round muffler from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the catback exhaust system 4″ round muffler against it.
The catback exhaust system 4″ round muffler ships protected, because a damaged part helps nobody.
Drivers choose the catback exhaust system 4″ round muffler here for honest specification detail and quick dispatch.
Buyers comparing the catback exhaust system 4″ round muffler will find the specification detail on this page rather than in a catalog footnote.
Every catback exhaust system 4″ round muffler order goes through the same fitment review.
At a glance
- Engine: 1.8L
- Category: Major Pipe
- Price: $276.44 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
Upgrading vehicle exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make a world of difference on your vehicle. The net result is lower auto exhaust backpressure, more horsepower, more torque, and a much better sound.
- Material: Stainless Steel
- Color: Metallic
- Finish: Polished
- Tube: 2.25″ Tubing
- Inlet/Outlet: 2.25″/2.25″
- Muffler: 4.00″ Round Muffler Tip
- TIG Welded CNC Machine Flange for Resistance against Pressure and Corrosion
- Aggressive Deep Sound while Ensures Smooth Exhaust Gas Flow
- Significant Driving Improvement: Designed for high performance as well as meeting sound level standards & deep throaty tone, Race-Inspired Straight-Thru Design piping for maximum air flow.
- Built to last: This Exhaust System designed and built with Quality & Last for long Life. Properly sized tubing for maximum flow and is finished off with a low restriction racing muffler. Made of the finest material that meets high endurance, light weight, and excellent fit.
- Performance: Improve overall performance, Increase Horsepower and Torque, Dyno Proven to Instantly Increases 10 -20 Horsepower/Low End Torque.
- This Exhaust System is engineered to fit the follow specific vehicle. Since the item is designated as Racing, Off-Road, Or Show Use Only, We Do Not imply or offer install warranty.
Application:
For 2012-2015 Honda Civic 2-Door FG3/FG4 1.8L SOHC
Remark: Does Not Fit Si Models
Installation: Since the item is designated as Racing, Off-Road, Or Show Use Only, We Do Not imply or offer any warranty.
Product Content:
- 1x Catback System Kit
Hardware as Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- BFC-CATB-OEHONCIV122
A free fitment check takes minutes: send your year, make and model and we will confirm this is the correct part.
Related parts: Exhaust & Emissions · 3-1 Long Exhaust Header Manifold For 04-11 Mazda RX-8 Renesis 13B-MSP 1.3L SE3P · Metallic 4-2-1 Shorty Exhaust Header Manifold For 94-97 Accord/97-99 CL 2.2L L4 · full catalog
Every parcel carries tracking that updates with each carrier scan until it reaches your door.
General guidance on this system is published in the Car Care Council maintenance tips.
Common questions
How do I confirm this fits?
We verify every doubtful order by hand. Give us the year, make, model and engine option and we will confirm compatibility in one reply.
How fast does this ship?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
How do returns work here?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
What happens before my order ships?
Exhaust parts are checked for flange pattern, pipe diameter and emissions compliance.

![Megan M-DF Series 2.5″ Inlet Exhaust Muffler [Silver Chrome Canister / Tips]](https://partsmithco.com/wp-content/uploads/2026/07/MR-MU-MDF_1-300x300.jpg)

![Megan M-RS Series 2.5″ Inlet Exhaust Muffler [Silver Chrome Canister / Tips]](https://partsmithco.com/wp-content/uploads/2026/07/MR-MU-MRS_1-300x300.jpg)
Reviews
There are no reviews yet.