Description
Comparison points and tradeoffs
When comparing Muffler Compatible with Honda Foreman 400/450 (1995-2004) (TRX400 / TRX450) Exhaust Replacement with other Mufflers options, use this source-backed detail as the primary discriminator: Referenced part number: 18310-HM7-000.
Use this second fact to evaluate the tradeoff: Product identity: Muffler Compatible with Honda Foreman 400/450 (1995-2004) (TRX400 / TRX450) Exhaust Replacement. A third point to compare across alternatives is: OEM Part Number: 18310-HM7-000, 18310-HM7-A00, 18310-HM7-A40.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Brand | ATVWorks |
|---|---|
| Material | Stainless Steel |
| Vehicle Service Type | ATV |
| Shape | Round |
| Manufacturer | ATVWorks |
| OEM Part Number | 18310-HM7-000, 18310-HM7-A00, 18310-HM7-A40 |
| Item Weight | 10 pounds |
| Package Dimensions | 30 x 10 x 7 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | KDTRX400M |
Fits the following: ASSEMBLIES WHERE 18310-HM7-000 IS USED 1995 TRX400FW A – MUFFLER 1995 TRX400FW AN – MUFFLER 1996 TRX400FW A – MUFFLER 1996 TRX400FW AN – MUFFLER 1997 TRX400FW A – MUFFLER 1997 TRX400FW AN – MUFFLER ASSEMBLIES WHERE 18310-HM7-A00 IS USED 1998 TRX400FW A – MUFFLER 1998 TRX400FW AC – MUFFLER 1999 TRX400FW A – MUFFLER 2000 TRX400FW A – MUFFLER 2001 TRX400FW A – MUFFLER ASSEMBLIES WHERE 18310-HM7-A00 IS USED 1998 TRX400FW A – MUFFLER 1998 TRX400FW AC – MUFFLER 1999 TRX400FW A – MUFFLER 2000 TRX400FW A – MUFFLER 2001 TRX400FW A – MUFFLER ASSEMBLIES WHERE 18310-HM7-A40 IS USED 1998 TRX400FW A – MUFFLER 1998 TRX400FW AC – MUFFLER 1999 TRX400FW A – MUFFLER 2000 TRX400FW A – MUFFLER 2001 TRX400FW A – MUFFLER 2002 TRX400FW A – MUFFLER 2003 TRX400FW A – MUFFLER
Source product highlights
About this item
- New Aftermarket Muffler, Built to OEM Specifications.
- Replaces Part #18310-HM7-000, 18310-HM7-A00, 18310-HM7-A40
- Check “Product Description” for fitments.




Gene Pursell –
FUNCTIONAL AND PRICED RIGHT.
db –
Easy install and nice sound.
Jose D. –
Fit easily, took 10 mins to install
james cox –
muffler fit was perfect bolted right up
Larry fiero –
disliked