1 / 7JXZHONG LIANG 2.25-Inch Dual-Chamber Center-In/Center-Out Exhaust Muffler
Center-In Center-Out: JXZHONG LIANG’s dual-chamber exhaust muffler has 2.25-inch center inlet and outlet connections and is described for compatible car and truck exhaust systems. Its stated dimensions and welded-installation design make pipe size, clearance and installation planning important before purchase.
At a glance
- Center inlet and outlet are both specified as 2.25 inches for matching exhaust piping.
- The maker describes a dual-chamber and baffle design intended to soften harsh noise while creating a deeper tone.
- Listed dimensions include approximately 17 inches overall length, a 12.25-inch body and 10-inch body width.
- Designed for welded installation. The maker recommends professional installation for alignment, sealing and clearance.
Pros and cons
Pros
- Equal 2.25-inch center connections give buyers a clear pipe-size specification to compare with an existing system.
- The stated overall and body dimensions help with preliminary exhaust-space planning.
- Dual chambers and baffles are intended to reduce harshness while producing a deeper exhaust tone.
Cons
- Weld-on installation calls for exhaust fabrication rather than a stated clamp-on fitting, and the listing recommends professional installation.
Technical specifications
14 specifications| Brand | JXZHONG LIANG |
|---|---|
| Model | 43040 8c25c254 42440 |
| Vehicle service type | ALL |
|---|---|
| Fit type | Universal Fit |
| Inlet and outlet | 2.25" center inlet and 2.25" center outlet |
| Construction | Aluminum alloy |
|---|---|
| Exterior | protective silver exterior coating |
| Chamber design | internal dual-chamber and baffle design |
| Total length | approximately 17" |
|---|---|
| Body length | 12.25" |
| Body width | 10" |
| Installation | WELD-ON INSTALLATION |
| Package dimensions | approximately 17.7" x 10" x 4.7" |
| Package weight | approximately 3.9 lb |
What to know before buying
Listing details to confirm
Confirm the exhaust pipe diameter and available space before buying. The stated universal application does not establish fitment for every vehicle, and this muffler is intended for welding. The maker’s corrosion-resistance and sound descriptions are claims, not independently verified performance results.
What’s in the box
Included- NOT
Who is it for?
A good fit for
- Vehicle owners or exhaust fabricators whose system uses compatible 2.25-inch center inlet and outlet connections.
- Buyers seeking a welded dual-chamber muffler with a deeper-tone design and room to verify its listed dimensions.
Less suited to
- Buyers needing a confirmed vehicle-specific direct-fit replacement without checking compatibility.
- Installations that require a clamp-on muffler or different pipe diameter.

Customer reviews on Amazon
- 5 stars
72% 72% - 4 stars
17% 17% - 3 stars
11% 11% - 2 stars
0% 0% - 1 star
0% 0%
Aggregate ratings lean positive, with most responses in the five-star category and some in the four- and three-star categories. Without review comments, the ratings do not reveal what customers liked or disliked. They offer limited context, so buyers should base fit and installation decisions on the stated 2.25-inch connections, dimensions and weld-on design.
Frequently asked questions
What pipe size does this muffler use?
The listing specifies a 2.25-inch center inlet and a 2.25-inch center outlet. Check your exhaust pipe diameter before purchase.
Does it fit every car or truck?
It is advertised as universal for vehicles using a compatible 2.25-inch exhaust system, but that does not confirm fitment for every vehicle. Verify diameter and installation space.
How is it installed?
It is designed for welded installation. The listing recommends professional installation for alignment, sealing and exhaust clearance.
What are its listed dimensions?
The muffler is described as approximately 17 inches in total length, with a 12.25-inch body length and 10-inch body width.

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