removed cat from 93 camaro
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removed cat from 93 camaro
i have 2 93 z28s, one has a removed cat, other has a hi flo. What kind of hp would removing the cat give me over stock. Same with the hi flow
#2
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you add HP but at the same time you are removing back pressure so you are loosing some down low torque... but its up to you... it will sound better with the cat in... IMO...