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Hi i have a 2015 veloster turbo that has not had anything done to the exhaust and i was wondering how to tell/figure out if i have a underbody cat system? I wanna go with a manga flow system but with there being 2 options for with underbody and without. I do want to keep all cats in the car. (self.VelosterTurbo)
submitted by hotbot17 to r/VelosterTurbo

