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Saw this today when researching the age old Borla vs. Corsa trying to decide on an axle back system. Previous pipes eliminated the secondary cats. This now retains them. Seems like the cat itself is the sound bottleneck.
Anybody done this pipe with factory NPP and had a good sound improvement?
It’s only my opinion, which means pretty much nothing, but I wouldn’t think it would be worth the pain of installing it. Go with one that bolts directly in and eliminates the cats.
Borla 60548 X-pipe worth it?
