This page lists the Catback Exhaust System 4″ Roll Muffler Tip For 02-05 Honda Civic Si Hatchback EP3, including what it fits and what we check before dispatch.

Flange patterns and pipe diameters decide fitment, and small differences prevent sealing entirely. Allow clearance from fuel and brake lines when routing new sections.
The catback exhaust system 4″ roll muffler listed here is checked against your vehicle before dispatch.
Every catback exhaust system 4″ roll muffler order goes through the same fitment review.
Ordering the catback exhaust system 4″ roll muffler takes a minute and the confirmation reaches you straight away.
Our team knows the catback exhaust system 4″ roll muffler well, so ask if anything about the specification is unclear.
Stock of the catback exhaust system 4″ roll muffler is live on this page rather than estimated.
Shops order the catback exhaust system 4″ roll muffler from us in volume because the data on the page is accurate.
Quick specs
- Category: Major Pipe
- Price: $201.06 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″ Major Tubing
- Inlet/Outlet: 2.25″/2.25″
- Muffler: 4.00″ Roll 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 2002-2005 Honda Civic Si Hatchback EP3
Remark: Fit Models with 2.0L K-Series K20A3 DOHC l4 Engine ONLY
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-HONC02SI-NRT
Fitment questions get answered by people who work with these parts daily, usually the same business day.
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Delivery estimates appear at checkout for your address, with no padding added to the carriage price.
For neutral background on this kind of maintenance, see the NHTSA vehicle safety hub.
Common questions
Is fitment guaranteed on this listing?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
How fast does this ship?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
Is there a warranty on this?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
What quality checks does this get?
We verify flange and diameter specification on exhaust orders before they ship.

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