As with many aftermarket part manufacturers, Tomei was born out of competitive motorsport and has since gone on to create some of the most sought-after JDM parts on the market. With a sharp focus on innovative product design, enhanced performance and reasonable cost, Tomei represents some of the best aftermarket parts that money can buy for Japanese cars
The stock RB20DET / RB25DET outlet pipes mouth is partially blocked at the port bypass side. This design is for low engine speed response. To improve power gains, Tomei have enlarged this area. By optimizing the shape of the enlarged area, Tomei have been able to prevent a loss of both torque and power in the low engine speed range. The internal diameter has been enlarged by 120%, significantly dropping exhaust back pressure.
Compatible with stock turbo's, or aftermarket bolt-on turbos. Designed to suit a 3" downpipe.See Less...