The Science of Performance CC Collector Inserts are a new way to quiet your exhaust without robbing power or torque. Simply slip the insert into your header collector and weld or pop rivet it into place. For racing and street/strip applications, a 2-disk unit is recommended while the 3-disk units offer a suitable choice for street use. 7'' long, 1 insert/pkg.
Pictured: #176-3DI25R
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