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Old 09-20-2018, 09:01 PM   #3
truckster
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Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,796
Re: '71 air cleaner & manifold help

Not to be rude, but why headers? That looks like a stock engine, so you're not likely to see any performance gain. But what you'll get in return is more noise inside the cab, periodic leaks, and more heat in the engine compartment.

I would go with the dual exhaust without the headers if it were my truck.

Oh, and welcome to the board.
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