Yes, the JDL catback is resonated. I would assume the 3" piping throughout including the catless header is producing a lot of noise. My only concern would be it being too loud with the 2.5" resonated and catless header as I read on another post. It mentioned to install a downpipe.
Quote:
Originally Posted by PERRIN_Chris
Does your JDL catback have a resonator? If it does, and it's still too loud, I'd probably go with our 2.5" resonated. Just doing that alone is going to help a lot. If it's still too loud, try switching out the front pipe with stock or a catted one.
If your JDL catback does not have a resonator, then our 3" resonated catback will help a little bit, but it's still going to be loud having no cats at all.
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