Down Pipes and Flanges

This down pipe fits S400/S410 turbos with marmon style exhaust flanges.  This down pipe comes off the turbo and ended in 5" diameter for easy fabrication into your existing exhaust system.  EGT bung...

Full Marmon V-band exhaust clamp for S400 / S410SX turbos.  This clamp holds the down pipe to the back of the turbo.     5" ID 5.75" OD

This down pipe fits S400/S410 turbos with marmon style exhaust flanges.  This down pipe reduces the 5" outlet to a 4" pipe for easy fabrication into your existing exhaust system.  EGT bung...

This exhaust adapter fits S400/S410 turbos with marmon style exhaust flanges.  This down pipe comes off the turbo and reduces down to 4" diameter for easy fabrication into your existing exhaust...

The BorgWarner S500SX, Garret GT55, & Garrett GTX5533 are all popular upgrades for CAT (and others!) customers looking to make BIG POWER.  Whats not popular, is the flat face v-band outlet that the...

  APPLICATIONS Replaces OEM# 227-6721, ’05-’07 Cat Acert (Twin Trubos) Built with double wall higher quality metals Hydro formed

This exhaust adapter fits S400/S410 turbos with marmon style exhaust flanges.  This down pipe comes off the turbo ends in 5" diameter for easy fabrication into your existing exhaust system...

  APPLICATIONS Replaces OEM# 227-6721, ’05-’07 Cat Acert (Twin Trubos) Built with double wall higher quality metals Hydro formed

This exhaust adapter fits S500 turbos with v-band style exhaust flanges.  This down pipe comes off the turbo ends in 5" diameter for easy fabrication into your existing exhaust system.  Includes...

Running a 5" Exhaust system between the engine block and frame rail is a tight squeeze.  This "crushed" pipe allows for additional clearance where the exhaust system passes the frame rail.     Kit...

The full marmon 5" flange found on many single turbo Cats, Detroits, and NON VGT ISX turbos is NOT a standard v-band flange, its a full marmon flange.  If you want to make your own downpipe, or a hot...

The Garrett G57 line is the TOP of the line and also the LARGESR G-series turbos to date.  While the Garrett G-Series G57 has a few good turbine housing sizes available (1.09 A/R, 1.25 A/R, and 1.41...