Faelflora breaks his promise, time to part out car. GIT THE SAWZALL!
#3561
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For my power goals, I considered a welded manifold but decided on the FM cast mani because I wasn't interested in having to remove, fix and replace ad nauseum. With the inconel studs (installed with Resbond) and the "high-margin" tranny brace, it's been extremely reliable. Makes power too.
#3563
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This manifold is proven to well over 400hp in the honda world (Used on both D and B series):
![](https://www.miataturbo.net/attachments/build-threads-57/53064-faelflora-breaks-his-promise-time-part-out-car-git-sawzall-treadstone_mb.jpg?dateline=1345771429)
You can find them on eBay for $80
So no. You dont need a tubular manifold for 350hp. Im not sure if the FM/BEGi manifolds flow quite as well, but still...
![](https://www.miataturbo.net/attachments/build-threads-57/53064-faelflora-breaks-his-promise-time-part-out-car-git-sawzall-treadstone_mb.jpg?dateline=1345771429)
You can find them on eBay for $80
So no. You dont need a tubular manifold for 350hp. Im not sure if the FM/BEGi manifolds flow quite as well, but still...