Efficient High Flow Design
For Both RB20 & RB25 Engines
 
With a smooth inner walls, high flow capacity, easy to install flange design for an easy direct bolt on application.
Compatible with the stock turbo and the Tomei ARMS Turbo will contribute with improving the power output. Designed to suit a Φ76.3mm front pipe.
 
  MATERIAL EXIT DIAMETER (Φ) VOLUME
(cc)
FLANGE THICKNESS(mm) WEIGHT (kg)
TOMEI SUS304 76.3 1050 12.0 1.55
STD 60.0 750 13.8 2.25
 
APPLICATION:
R31,R32, C32,C33, A31, Z31
RB20DET POWERED VEHICLES
R33,R34, C34,C35,WC34
RB25DET POWERED VEHICLES

MSRP $340.00 (USD)
 
PART NUMBER:422001
TURBO : TOMEI ARMS M8265
 
 
 
 
WIDE MOUTH, STEPLESS SMOOTH PORTING
The stock outlet pipes mouth is partially blocked at the port bypass side. This design is for low engine speed response. We've enlarged this section to improve power gains. By optimizing the shape of the enlarged area, we were able to prevent the loss of both torque and power in the low engine speed range.
 
3 INCH (φ76.3mm) COMPATIBLE
The internal diameter has been enlarged by 120%. This will significantly drop exhaust back pressure.
 
 
140% LARGER
 
 
HIGH STRENGTH FLANGE
 
 
EASE OF INSTALLATION
 
Designed to be a hassle free installation. We have incorporated a dimple in the pipe where the bolt for the flange is located. To allow ease of access to both bolts and nuts to allow a quick, trouble free bolt on application.
 
 

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