Olddaddy Posted July 24, 2012 Report Posted July 24, 2012 I started making a bolt-on dual exhaust, a second dump a few weeks ago. I now have them for the small 218/230 engines and the larger 251/265 engines. They bolt on using the four bolts that hold the two manifolds together. You drill a hole with a hole saw right through the bottom of the exhaust. I am selling the two laser cut plates and a gasket as a diy kit for $65. A welded up version like the attached pics is $100, postage included in both cases. I think this is a good affordable solution compared to tube headers, or the old style brazed up dual exhausts I make. I still make them too, but it's getting to be very hard to find broken exhaust to salvage the dumps from. I like the looks of the old style a lot better, but both ways double the exhaust rate which in my case is the goal. Quote
Powerhouse Posted July 25, 2012 Report Posted July 25, 2012 Nice I did the same thing. Works great as long as the mating surface is good. I wish you had this offered a year ago. Would have saved me some brain work. Quote
pflaming Posted July 25, 2012 Report Posted July 25, 2012 Do you have a picture of them attached to a manifold? Quote
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