"my friend has a fart can performance exhaust on his honda "the fart can is really a glorified glasspack"  "both the glasspack and fart can work on the principle of absorption""
"called a "fart can" due to the fact that some sound like a fart
""my friend has a fart can performance exhaust on his honda "the fart can is really a glorified glasspack"  "both the glasspack and fart can work on the principle of absorption""" What is the definition of "fart can performance exhaust"?