The Catback Exhaust System 4″ Round Muffler Tip For 94-01 Acura Integra GS/LS/RS 1.8L DOHC Hatchback is ready to ship today, with the paperwork and specs that back it up.

Back pressure changes affect how the engine breathes, which is why matched components perform best. 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.
Key details
- Engine: 1.8L
- Category: Major Pipe
- Price: $186.33 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″ 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 1994-2001 Acura Integra GS/LS/RS 1.8L DOHC Hatchback
Remark: Fit Models with 1.8L B18 DOHC 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-AI942RS
If the application text leaves any doubt, message us with the VIN and we will rule on fitment before the box is sealed.
Customers also open: Exhaust & Emissions · Manzo Stainless Exhaust Manifold For 01-04 Ford Mustang 3.8L V6 SN-95 · Manzo Long Tube Exhaust Manifold Manifold For 05-13 Chevy Corvette 6.0L 6.2L C6 · full catalog
Dispatch is quick because the inventory is real, and you receive tracking the moment the label prints.
For neutral background on this kind of maintenance, see the NHTSA vehicle safety hub.
Before you order
What do you need to verify fitment?
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.
Do you ship the same day?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
What if it does not fit?
Returns are handled in one reply for most cases. Keep your order confirmation, since it is the only proof of purchase we need.
What quality checks does this get?
We verify flange and diameter specification on exhaust orders before they ship.
![Megan M-DT Series 2.5″ Inlet Exhaust Muffler [Silver Chrome Canister / Burnt Tips]](https://partsmithco.com/wp-content/uploads/2026/07/MR-MU-MDT-2_1-300x300.jpg)


![Megan M-BC Turbo Series 2.5″ Inlet Exhaust Muffler [Matte Black Canister / Black Chrome Tip]](https://partsmithco.com/wp-content/uploads/2026/07/MR-MU-MBC_1-300x300.jpg)
Reviews
There are no reviews yet.