The QMI is a sound attenuation device that installs easily in under a minute;You can now have the best of both worlds - maximum power from a race core or the neighborhood friendly tones of the QMI unit;Specifically designed for race core equipped models;The QMI allows you the option of substantially decreasing the sound level of your racing system when you need to;Constructed from aluminum billet and CNCd to exacting tolerances, the module features a red high temperature silicone O-ring to assure proper sealing

• Jardine 18-QMI1 RT1 Quiet Module Insert for 2-1/4 Tip
• 2 1/4"
• Silver

Jardine 18-QMI1 RT1 Quiet Module Insert for 2-1/4 TipJardine