Mechanics

SATURN L300 CATALYTIC CONVERTER PROBLEM

2002 Saturn L300

Engine Performance problem
2002 Saturn L300 6 cyl Two Wheel Drive Automatic 53000 miles

my catalytic converter broke through cleaned it out of my resonator my car keeps stumbling when accelerating and I plan to replace the broken cat with a new hi flow cat what do I need to do after I replace it and would a air flow tuner help?
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Manny092908
May 4, 2010.



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