Borg Warner Turbo S369 SX SX-E S200 S300 4" Downpipe Flange & 4.21" Marmon Clamp

Building a high-performance turbo setup for your diesel or race car?

You need solid connections, and this downpipe flange and clamp kit delivers.

It's designed to fit Borg Warner S369, SX, SX-E, S200, and S300 series turbos.

The kit includes a 4-inch downpipe flange and a heavy-duty 4.21-inch Marmon-style clamp to keep everything sealed tight under serious boost.

It's a direct replacement part from usturbosystem, brand new and ready to weld.

No modifications needed to get it fitted up.

If you're piecing together your own hot side piping, this is the reliable hardware you need to handle the exhaust flow and pressure.