Quote:
Originally Posted by 6th G SS
I will vouch for these as I have them installed. I actually chose these over longtubes for the ease of going back to stock. I am very pleased with the sound and performance. Whats good about the neweraperformance cat delete is that it also deletes the seconday cats as well. I paid full price so $400 brand new is a pretty good deal.
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Did you tune with this? And did you get check engine lights?