i replaced mine when i got my full exhaust..that was about 89k when i had my 7m, but i had to replace it anyways because the motor was running rich at the time...wasnt tuned yet...but a cat is supposed to last...dont really need to change it unless u cant pass smog...otherwise get it looked at
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Now: Saving for an MKIV
Broken Rides:
(Sold) 91 supra turbo 5speed with a 1jzgte motor
421whp 400(399) ft*lbs of torque on tap @ 15 psi
"Always outnumbered, never outgunned."
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