The COBB shifter weight for 2007–2010 Mazdaspeed3 is a shifter-mounted weight accessory intended to alter the manual shift feel. Installed on the stock shifter assembly, the weight changes lever momentum to produce a firmer, more deliberate shift sensation, offering a simple, vehicle-specific option for drivers seeking a different tactile shift feel without modifying the transmission itself.
Cobb 07-10 MazdaSpeed3 Shifter Weight