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Old 02-09-2013, 02:56 PM
TMF Lindbeck TMF Lindbeck is offline
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Originally Posted by Valkyrie5.7 View Post
I'm sorry, I was unaware that you couldn't put a modern catalytic converter behind a generation 1 small block. the LS7 probably has a special air filter element that couldn't be used on a gen 1 small block. I'm sure the mufflers couldn't be used either, right?
I'm just getting at the notion that a catalytic converter in general will not be to conducive to taking advantage if full leingth headers and 3" exhaust in a truck with a stockish 350 or mild 383 and that he smaller piping after the cats will help with tq for towing and down low grunt meeting the op's needs both now and later.
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