Originally Posted by TrueStreetTim
Cat-BACK just means everything from the end of the cats (not including the cats) and back is replaced. Cats are part of the mid-piping.
And this. From cat to axle-back is sufficient with nothing measurable to be gained.
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Tim nailed it.
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Airaid CAI | Borla S-Type Catback | Amsoil 10w30 and MTG Trans. Fluid
382hp 387ft/lb | 1/4: 12.9 @ 112mph
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