How do I clear the catalytic converter honeycomb without having to take it off?
I drive a 2005 Chevy silverado 2wd, V6 4.3L. Need
to know if there is anything i can put in my truck to
unclog the honeycomb without having to take it
off. Dont have the tools or know how for that.
Truck has a hard time getting past 25mph. Please
help