Who makes Stealth Muffler Corporation engines?

US EPA certification records name Taizhou Zhongneng (ZNEN) as the engine manufacturer for Stealth Muffler Corporation across 2009.

Will parts from another brand fit my Stealth Muffler Corporation?

A shared factory and engine size makes another brand a strong candidate, but it does not prove the part numbers match. These machines are assembled from multiple component suppliers, so measure the part you have before ordering a replacement.

US importer / certificate holder

Who actually makes Stealth Muffler Corporation?

Across every model year on record (2009), Stealth Muffler Corporation engines were built by Taizhou Zhongneng (ZNEN).

Model years: 2009
Engine factories: 1
Engine families: 1
Models certified: 3

The factory

Taizhou Zhongneng (ZNEN)
Also builds engines for 19 other American brands. See the full list

Other American badges on the same engines

These machines came out of the same factory at the same engine size. If Stealth Muffler Corporation parts are hard to find, these are where to look next — after measuring.

Taizhou Zhongneng (ZNEN) · 150ccAA Powersports Inc., Amstar Motors LLC, Baja Inc., Bintelli LLC, BMS Motorsports, Inc. and 11 more

Model names certified under Stealth Muffler Corporation

3 distinct model designations appear on this brand's certificates. Yours should be among them — importers sometimes market a machine under a different name than the one they certified.

Stealth 150 · Stealth Gem 150 · Stealth SeaGem 150

Related in the registry

Source. US EPA annual certification data — EPA Certified Highway Motorcycle Test Results, MY2006-present; EPA Certified Off-Road Motorcycle / ATV / UTV / Rec Vehicle, MY2006-present. Retrieved 2026-09-07. Based on 1 China-engine certificate rows filed by Stealth Muffler Corporation. Full provenance and method.