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TOMEI Colector de escape

EXPREME EXHAUST MANIFOLD EJ25

Equal-Length for Single Scroll

PRODUCT INFO

4-2-1 Isometric Design for Optimum Results at High End RPM

With our ever popular EXPREME exhaust manifolds which is now used throughout the world. Our EXPREME Manifolds have received numerous high appraisals on all aspects of efficiency, durability and performance gains. Now with this new addition to the EJ25 user family we now have a manifold specifically to optimize the EJ25 true power output potential.

  • Perfect Pipe Size, All Equal Length.
    We designed the headers to be the 4-2-1 layout with φ42.7mm, φ45.0mm, φ60.0mm sizes to help extract the absolute maximum from your EJ25 turbine with the equal length design. The exhaust pressure is controlled best by this layout & you can see the peak power gains & at high RPM
  • Stronger, More Precise Lost Wax Collector
    The Lost Wax process was used to eliminate cracking from welded weak points and for aiding smoother exhaust gas flow without any interference
  • An All New Boxer Sound!
    You will have a new higher pitched racing sound from this isometric design. With 2.5mm thick pipes made from SUS304 stainless steel.

FEATURE / SPEC

MATERIALPipeSUS304
Flange
LAYOUT4-2-1
PIPE DIAMETERMainΦ42.7
TipΦ45.0
Support Pipe TipΦ60.0
PIPE THICKNESS2.5mm
WEIGHT8.85kg (STD 13.9kg)

 

 

 

 

 

 

 

 

 

APPLICATIONNOTES
IMPREZA            JDMGC8EJ207For Single scroll turbo equipped.

※Replacing the oil pan or oil strainer is necessary for mounting to GC8/GD-AB EJ207/EJ205.

GD-ABWRXEJ205
STIEJ207
GR/GVA-LINEEJ257
         USDMGDWRXEJ255
STIEJ257
GH/GEWRXEJ255
GR/GVWRXEJ255
STIEJ257
FORESTERSG5/SH5EJ205
SG9/SH9EJ255