05-27-2009, 04:34 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: 4,532
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Another undercar exhaust question
I'm planning on a street Cobra build and was reading the Chuck Brandt build site and his experiences with the undercar exhaust system. Apparently the ERA system consists of 2 inch headpipes, mufflers and tailpipes which just sounds very restrictive, even for a mild FE motor. Apparently he thought so too. Has anyone had experience with fitting a larger diameter system under car with full tailpipes to the rear? I definately want 2-1/2 inch head pipes and 2-1/2 inch in/out mufflers. After that I could live with going down to 2-1/4 inch tailpipes if necessary, since I'm figuring on a fairly mild FE motor - probably 450 flywheel HP or less. I would rather avoid exhaust outlets in front of the rear wheels. I'm planning on no more than 275/50 - 15 tires in the rear which should free up a little space in the wheel wells. I would be interested in experiences from other street car builders.
thanks
Dan
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