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ISR Performance O2 Turbine Extension - Nissan SR20DET 3"

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ISR Performance
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 Product Description

ISR 3" Turbine Outlet O2 Housing - Nissan SR20DET S13 T25/S14 T28 or GT Series Turbo 

ISR Performance brings you the first True 3" Turbo outlet. Every other turbine outlet necks down, This new design from ISR Is a higher flowing true 3" outlet. 

Turbo Outlets increase exhaust flow and free up Horsepower. Great bang for the buck upgrade.  This unit does require that you re-use your OEM turbine housing studs/nuts. 

  • This Specific Outlet has been double welded on the outside and inside to prevent cracking.
  • May Requires slight clearancing of bellhousing or flange. Due to the larger 3" diameter. 
  • New brushed finish


  • 3 bolt flange thread pitch - M10 X1.5
  • bolt length - 1 3/4in 
  • 3 studs
  • 1 5 bolt gasket
  • 1 3 bolt gasket

** All ISR Performance Products are Designed for Off Road Use Only **

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 Product Reviews

  1. awesome!

    Posted by james hampton on 31st Mar 2015

    Bolted right up with no troubles and the craftsmanship is spot on! Great product!

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