Getting a Lund tune

[WildHorse]

I'm not saying it shouldn't cause those codes but I've seen multiple instances where it doesn't. Without using defoyulers or anything.

Then the code was turned off. Or they didn't completely gut the cats.

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[WildHorse]

Wild is this true even if you use the rear o2 90* adapters? My understanding is the adapters help by changing the rate at which the exhaust gas reaches the rears sensors. Ensuring that the sensor doesn’t see it to early like when it was catted

Should be good with 90 degree defoulers.

 

[Zrussian13]

Then the code was turned off. Or they didn't completely gut the cats.

Ok.

 

[andrewtac]

My emissions show ready no codes, spacers (not 90 degrees)

 

[andrewtac]

Why does this indicate green if they supposedly turn stuff off?

 

[Zrussian13]

Why does this indicate green if they supposedly turn stuff off?

Great question. I was wondering the same thing....

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