Quote from Kolpin:
"The ATV Stealth Exhaust System fits on any ATV with a four-stroke engine to quiet ATV noise by 50% or more. It can be easily installed according to user preference and rear-of-machine configuration.Engineered with an innovative high-flow, low-restriction spark-arresting muffler, the Stealth Exhaust System quiets ATV noise by 50% without sacrificing engine performance. The patented design is used on military ATVs by both U.S. and British Special Forces, is also a USDA Forest Service Approved Spark Arrester.
The ATV Stealth Exhaust System includes an efficient, aluminized steel muffler measuring 22 inches in length and 4½ inches in diameter. Fully welded, the muffler is proven to work well on all sizes of ATVs from 250s to 700s. The system comes complete with a universal kit including mounting hardware and detailed instructions for quick, easy installation; a universal adaptor elbow for high mount installations; a zinc-plated two piece wrap-around clamp hanger assembly; and galvanized flex tubing that turns the exhaust and noise closer to the ground.
The ATV Stealth Exhaust System reduces noise levels for decreased disturbance of other public land user groups, and provides added protection to the environment through the use of a second spark arrester. Its revolutionary design results in less disruption of wildlife for the benefit of outdoor enthusiasts, as well as livestock for farmers and ranchers that use ATVs. In addition to significant noise reduction, the ATV Stealth Exhaust System actually delivers an increase in mid-range power and overall performance on some models, according to extensive dynamometer tests.
How Does it Work?
THE MUFFLER. We start with an extremely efficient, super quiet, high flow, USDA Approved, spark arresting muffler that is manufactured from high quality, aluminized steel to our specifications, exclusively for our patented ATV Sealth Exhaust System. The muffler is 22 inches long, including the outlet, and 4½ inches in diameter. It is not just a straight through silencer and it has no packing material that requires maintenance. It is a fully welded, USDA Approved, spark arresting muffler designed with a series of tubes and chambers. It has been tested and proven to work well on all sizes of ATVs from 250s to 700s."
It's got me thinking.