Customer recently purchased a used Treadstone turbo kit and asked us to convert it to external dump. Kit originally came with a 2.5" downpipe. Being this restrictive it was def a good idea to have the gate evac the exhaust gases externally rather than forcing them through the downpipe.


Quick pics,

engine bay before:



original downpipe:



dump removed:



patched:



dumptube extended with 38mm 304ss:



clear of both o2 housings:



Rattle free fitment:



Installed:




If you need any fabrication contact,

Proven Power LLC
8602 Temple Terrace Hwy C14
Temple Terrace FL 33637
813-988-DYNO(3966)
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Nissan Spec-V turbo downpipe modification dumptube