This listing covers the Catback Exhaust System 4″ Roll Muffler Tip For 02-05 Honda Civic Si Hatchback EP3, one of the parts our fitment desk checks most often.

Emissions components are legally sensitive in many states, so correct specification protects your inspection. Allow clearance from fuel and brake lines when routing new sections.
Buyers comparing the catback exhaust system 4″ roll muffler will find the specification detail on this page rather than in a catalog footnote.
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.
At a glance
- 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
Unsure about the specification? Our desk cross references against manufacturer data at no cost.
More in this department: Exhaust & Emissions · Megan Racing Stainless Steel Exhaust Y-Pipe Ver.2 For 03-06 Nissan 350Z VQ35DE · Manzo Stainless Steel Exhaust X-Pipe For 05-13 Corvette 6.0L 6.2L (C6) · full catalog
Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
For safety and service guidance from outside the aftermarket, see the Car Care Council maintenance tips.
Quick answers
How do I confirm this fits?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How quickly can I get this?
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?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
How do you verify this part?
Exhaust parts are checked for flange pattern, pipe diameter and emissions compliance.

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