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  • 4.62" Half Marmon for Borg S400, Garret G Series 42 and 45 T4 Downpipe Flange W/Clamp
  • 4.62" Half Marmon for Borg S400, Garret G Series 42 and 45 T4 Downpipe Flange W/Clamp

4.62" Half Marmon for Borg S400, Garret G Series 42 and 45 T4 Downpipe Flange W/Clamp

$65.00
$65.00
Shipping calculated at checkout.

4.62" Half Marmon T4 Downpipe Flange with Clamp

Stop guessing on fitment and start building with confidence. This half marmon T4 downpipe flange is designed for Borg S400 and Garrett G-Series G42 and G45 turbo applications, giving your big-turbo project a clean, direct connection.

Features & Benefits

  • Precise 4.62" Marmon opening: Sized specifically for the compressor outlets on Borg S400 and Garrett G-Series G42 and G45 turbos, with no adapters and no compromise.
  • Half Marmon design for custom fabrication: The half Marmon profile gives you the flexibility to weld your custom downpipe tubing and achieve a secure, leak-free seal without committing to a full collar.
  • Integrated T4 downpipe flange pattern: The T4 flange pattern is built right in, helping eliminate the need for additional adapters or mismatched hardware when connecting to a T4 chassis-mounted turbo application.
  • Marmon clamp included: Every unit ships with a matching Marmon clamp, giving you what you need to complete the connection in one package.
  • Built by BSI Inc.: Engineered to the same standard North American turbo builders have come to expect from Black Sheep Industries.

Whether you are running a street build or a high-output competition setup, this flange is made to perform. Ditch the guesswork and build it right the first time by adding this half marmon T4 downpipe flange to your cart.

FAQ

What turbo applications is this flange sized for?

It is sized specifically for the compressor outlets on Borg S400 and Garrett G-Series G42 and G45 turbos.

Does this half Marmon T4 downpipe flange include a clamp?

Yes. Every unit ships with a matching Marmon clamp to help complete the connection in one package.

What is the half Marmon design intended for?

The half Marmon profile is intended for custom fabrication, giving you flexibility to weld your custom downpipe tubing and achieve a secure, leak-free seal without committing to a full collar.

Does the integrated T4 flange pattern help reduce the need for adapters?

Yes. The T4 downpipe flange pattern is built in, helping eliminate the need for additional adapters or mismatched hardware when connecting to a T4 chassis-mounted turbo application.