ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,913, issued on Dec. 16, was assigned to Advanced FLOW Engineering Inc. (Corona, Calif.).
"Tunable exhaust system" was invented by Shahriar Nick Niakan (Anaheim Hills, Calif.), John Gray (Corona, Calif.) and James Erik Provencher (Norco, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tunable insert assembly for a tunable exhaust system is disclosed for use with an air intake engine of a vehicle. The tunable exhaust system may include an intake tube having first and second ends with a first flange, an exhaust tube having third and fourth ends with a second flange, and a clamp to securely affix the first flange of intake tube to the second fla...