02-08-2019, 04:27 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,488
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Not Ranked
That sounds right on the primaries without going out and measuring them. You have about 50 more HP than I do so considering how short the car and exhaust systems are on them, 2-1/2" pipes are probably a good idea if you have room for them. There are also oval pipe that can be used if it gets too tight somewhere. Good luck.
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