What's the outlet diameter on a RB streetable header?
#1
What's the outlet diameter on a RB streetable header?
Someone that has this header, can you tell me what the OD and ID/wallthickness of the collected outlet is? I'm planning on making a custom exhaust but I want to know what the outlet size of the RB header is first...
#4
I was just confused about the whole racing beat sizing thing because they have you use the stock center pipe which is 1.75" ID. That seemed a little small to me for a performance exhaust setup. I was thinking of using a 2.5" OD with 1/8" wall thickness at least. That would bump up my ID to 2.25" which seems a little more sporty. But I was basically going to match my piping size to whatever the outlet on the header is. If that makes any sense....
#5
premix, for f's sake
iTrader: (6)
i believe the header outlet is around 2" OD(I could measure it if you'd like when i go out to my shop later today). If you want to make a bigger midpipe you could buy a collector/reducer to adapt the headers outlet. don't bother w/ thick wall tubing after the header as the exhaust temps wont be nearly as high, plus it'll save you a lot in weight.
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