Product Description
This is the V-Band outlet kit for Borg Warner S200 and S300 turbos with the "4.21 Marmon" outlet. This includes the V-Band clamp and stainless steel weld flange that allows a 3" OD tube to slip fit inside. Yes, you read the description correctly, we have created an industry standard 3" outlet kit for the popular S200sx and S300sx turbos for the factory Borg Warner John Deere style turbine housings. The OD of the flange is 4.21 and it is tapered.
Borg Warner decided to call V Band flanges and clamps by their original name from the early 1900s, Marmon or Marman (they have been spelled both ways). A Marmon flange simply means that there are two machined surfaces connected with a clamp. Borg Warner offers two style of marmon flanges on their housings, 3/4 and 1/2. 3/4 marmon means the flange has an angle on it and is not flat. A 1/2 marmon means the flange is flat. The 3/4 marmon flanges are common on the S200sx, S200sxe, S300sx and S300sxe factory T4 turbine housings. The 3/4 marmon is also used on the T6 S400 housings. The 1/2 marmon flanges are found on the T4 S400 and T6 S500 factory housings, as well as the S400 compressor outlet flanges on the standard Series 60 style housings.
If you're looking for a 3" v band kit for the AGP cast turbine housings, this is not the kit. That kit is here.
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Quality Clamp
Great price and perfect, leak free fit!
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300 flange
Fits minty
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V band clamp and pipe
Pipe with flange fits great clamp is nice quality. The pipe thickness is a little thin for something bolted to the turbo itself imo. Over all great product for the price!
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3” v-band outlet
Jut what I needed to get my custom exhaust started.
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Great Fit
I'd been searching for something for the marmon flange to adapt to my downpipe. This is it
