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Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
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01-02-2020, 11:16 PM
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EddyC
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Join Date: Nov 2014
Location: Syracuse
Posts: 31
Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Good point. I read the instructions. The exhaust holes need to be a minimum of 3.75 diameter.
EddyC
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