Nissan RB26 25 20 DETT Twin Scroll EFR T4 IWG Turbo Manifold


Nissan RB26/25/20 DET(T) Twin Scroll EFR T4 IWG Turbo Manifold

The Full-Race RB20/25/26 Twinscroll Turbo Manifold designed for use with BorgWarner EFR 0.92 a/r turbos.  Applying twin scroll divided-pulse technology with long, robotically tig welded thickwall runners, this manifold will offer increases turbine efficiency, allowing the turbo to spool up faster and provide power gains throughout the entire powerband. Runner geometry is adjusted accordingly for the known tendency of RB engines to run slightly leaner towards cyl #6.  

Key Design Features:

  • Engineered using advanced CFD software and analysis
  • Precision Fabricated from thick wall stainless steel
  • Robotically TIG welded construction
  • CNC Ported head flange
  • Sealing surfaces machined flat ensuring a leak free seal
  • Full-Race 1 Year Warranty
  • Made in the USA

Install Photos showing R33/R34 AC compressor and PS pump (RB25 recommended):

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nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-4 nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-5 nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-14

nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-15 nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-17 nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-18

nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-19 nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-20 nissan-rb26-25-20-det-t-twin-scroll-iwg-efr-turbo-manifold-content-21

Note: R32 may require hood webbing modification for the clearance of select turbos listed below:

  • EFR 8374
  • EFR 8474
  • EFR 9174
  • EFR 9180
  • EFR 9280
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Product NameNissan RB26 25 20 DETT Twin Scroll EFR T4 IWG Turbo Manifold
BrandFull Race
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