Silencer Box for Honda Civic: Semi-Metallic Compound
This silencer box for the Honda Civic is specified around semi-metallic compound, which decides how it behaves in service far more than the part name does. We build to a written specification — base material, dimensions, finish and packing — and hold that specification on file so every reorder reproduces the approved piece.
The usual reason a programme changes supplier is not unit price. It is a specification nobody had written down, or documentation that arrived after the container shipped. Both are specification problems, and both are preventable.

Specification
| Product | Silencer Box |
|---|---|
| Vehicle application | Honda Civic |
| Material / finish | Semi-Metallic Compound |
| Typical use | Weekend Riding |
| MOQ | 3,000 pieces per specification |
| Sampling | 14 working days, 3 days per revision |
| Bulk lead time | 20-30 days after approval |
| Compliance | SAE J431 |
| Packing | 10 pieces per inner box, 500 per carton |
Material options
- Semi-Metallic Compound — preferred when weight matters more than rigidity
- Zinc Plated Steel — used when the finish has to hold a coating
- Polypropylene — specified where the part sits close to a heat source
- Magnesium Alloy — preferred when weight matters more than rigidity
- Tempered Glass — specified where the part sits close to a heat source

Processes available
- CNC machining
- injection moulding
- gravity casting
- ultrasonic cleaning
- laser cutting
- shot blasting
Fitment notes
Confirm the fitment against the VIN or the frame number before ordering; two model years often share a name and not a part.
Where it is used
The specification above is the one most often ordered for weekend riding. Related applications include rental fleets, night riding, long-distance touring, mining sites, farm use.
Quality and packing
- In-line inspection with AQL 1.5 sampling on every lot.
- Dimensional report issued against the approved drawing.
- Carton marking and barcode to your specification.
- Golden sample retained at the factory as the reorder reference.
Questions buyers ask
Can you match an existing sample?
Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.
What happens if a lot fails inspection?
The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.
What testing is included?
Standard lots ship with dimensional and hardness reports. SAE J431 documentation is issued with the shipment when your market requires it.
Can the specification be held on file?
Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the SAE J431-compliant build instead of a fresh interpretation.
Share a sample or a drawing and we will quote against a written specification, not against a photograph.







