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Re: 1960 GMC K1000 4x4
i'm not planning on just straight headers. Hoping to dampen the sound by making some mufflers that slid into the 3.5 inch sleeve at the top of the header its 6.5 inch deep. I'm still going to have issues. I only use the truck to take to parties, car shows ect. Wanting to play around at a drag strip a little as well.
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