T4 to T6 Twin Scroll Turbo Adapter Flange for Dodge Cummins

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  • $44.99
  • Regular price $49.99
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T4 to T6 Twin Scroll Divided Inlet Turbo Adapter Flange Plate

for Dual Volute S400 Series Dodge Cummins


This is an adapter flange to interchange between a T4 and T6 turbo. It allows you to mount a T6 turbo on a T4 manifold. The large foot-print of T6 turbo can be bolted to a T4 manifold or a T4 Turbine Diverter Valve with this dual throat adapter flange.  


Smooth port transition machined to gasket opening for maximum flow

Bolt center spacing is 3.25" x 2.75" for T4 M10x1.5 bolts (included)

Bolt center spacing is 4.42" x 2.75" for T6 M10x1.5 tapped holes

1/2" Thick (will not warp from heat)

Face milled for proper sealing

Made from A36 Steel (Not Cast) for optimal strength


These exhaust flanges are CNC machined for high quality and accurate assembly.

AZ CNC Manufactruing is your direct source for all your custom exhaust needs. Please feel free to contact me for any custom sizes or parts. 


Made in the USA

Compatible Vehicles

2007-2010 6.6L GM Duramax LMM
2006 - 2007 6.6L GM Duramax LBZ
2007 - 2015 6.7L Dodge Cummins
2008 - 2010 6.4L Ford Power Stroke
2003 - 2007 5.9L Dodge Cummins
2003 - 2007 6.0L Ford Power Stroke
2004 - 2005 6.6L GM Duramax LLY
1998 - 2002 5.9L Dodge Cummins ISB
1998 - 2003 7.3L Ford Power Stroke
2001 - 2004 6.6L GM Duramax LB7
1994 - 1997 7.3L Ford Power Stroke
1994 - 1998 5.9L Dodge Cummins 12 Valve
1988-1993 Dodge Cummins 5.9L