I started with a take-off NASCAR exhaust from Muscle Motorparts in Huntersville, NC.
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Next I raised the exhaust to the floorboards with the motorcycle jack, and clamped it in place
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There was a lot of cutting involved, but I wanted to save as many good pieces as possible. Measure twice, cut once!
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Tack welding the cut sections together. I clamped it to a bar, to ensure the parts were aligned.
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I'd tack on one section, test fit, and then cut the next section.
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Completed exhaust. It's not too obnoxious without a muffler, since the turbos quiet things down very well, but is loud for long trips. Over the winter, I'll remove the 3.5" y-pipe, and run the drivers side to the other outlet. It was easier to leave it in place for now, to keep the alignment.
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Underside view. The ovalize piping really helps the ground clearance.
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side1
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side2
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Plenty of ground clearance with the ovalized pipe.
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Lime Rock Park had an 83 dBa sound rule, and I was concerned about passing it. Dave Zug and Mike Davis helped fab this baffle that was tack welded to the exhaust. It aimed the sound at the pavement, and it worked like a charm. Stuffing the exhaust with steel wool was our next option, in case this didn't work.
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NASCAR boom tube side exhaust with plenty of ground clearance.
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