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April Griffin
Reviewed in the United States on May 30, 2023
Only issue is the O2 sensor holes. One was about 18 inches off. But was an easy fix.
JFLO
Reviewed in the United States on December 14, 2023
Modification needed for 6.2l
James Lambert
Reviewed in the United States on September 6, 2021
This product was easy to install, but never worked. I had my truck tuned up and gone over before replacing the Converters and oxygen sensors. Dud more work, even replaced BCM, still has codes for Cats efficiency below threshold. That is what it was reading before I replaced them and after $1000 in repairs plus new cats. Two different mechanic shops told me cats are bad, oxygen sensors are working properly. Advised to replace cats again. On a limited income, that is why I bought these to start with. Everything that the seller said I should do to eliminate the P0420 was done before I replaced cats. Stuck with a truck that won't pass emissions and can't afford to replace cats again.
Tina shedd
Reviewed in the United States on May 12, 2021
works like a charm
Jared Leiper
Reviewed in the United States on March 24, 2021
Well, I'm not sure what Amazon means by "sheerness" but it seems to be working fine. I haven't had any performance issues and everything seemed to fit ok. I only docked a star for easy to install because a cat pipe isn't easy to install on a Silverado no matter what brand you choose. It was nice that it's in two pieces. That made it easier to install.
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