The Ultimate SR20 Exhaust Manifold
From TOMEI POWERED
(The Engine Specialists)
　
Kit Contents
Exhaust Manifold
Gasket
Cover
Expreme Thermo Bandage
Bolts
Bolt Smooth Paste
Expreme Sticker
Our EXPREME exhaust manifold is now available for SR20 owners who want a performance upgraded from the genuine exhaust manifold. With our product you can retain the genuine setup and no special modifications are needed to fit the standard turbo. With the SR20DET the exhaust manifold was designed to be close from the exhaust port to the turbine. With the comparison test of our isometric prototype & the factory genuine manifold which also utilizes the same layout, it shows that ours has succeeded in delivering an overall improved performance in both torque and power increase in areas like in the higher RPM range in which you were not able to utilize before. With our extensive testing we have reached the conclusion that the normal design is superior as a total overall efficiency. So to develop an exhaust manifold similar with the design and setup as the factory manifold we were finally able to produce a product worthy to bear our name as a product that has the potential to deliver an overall increase in performance.
　
1. Acquiring preeminent turbine response
Acquiring the preeminent turbine response, by utilizing a short piping layout.
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2. Excessive anti-pressure rise is prevented even at high RPMs. Ideal exhaust efficiency is obtained.
TOMEI EXPREMEs exhaust manifold for the SR20 is designed with a partition plate inside the 1st & 4th turbine side ports as the 2nd & 3rd are divided for the exhaust ports. The sequential ignition firing order of the SR20 (1-3-4-2) can cause exhaust interference. The exhaust is discharged from both left and right of the partition plate and can cause to happen where the pipes all merge together. Now TOMEI has found the best possible exhaust flow.
　
3. Support Bracket
The support bracket is included, so there is no need to worry about the products strength.
　
4. EXPREME Thermo Bandage.
Heatproof for temperatures of up to 1100℃and dissipating 90% or more of heat effectively. Helps you extract more power from your engine by reducing the oil temperature and also the engine bays temperature which can affect the air intake temperature as well.
　
5. Japans Vehicle Road Inspection System.
This is compatible with the (R) PS13 EAI mechanism and blow-by separator. The EXPREME Bandage is also included in the kit to comply with the Japanese street legal road regulations for the vehicle inspection.
　
The EAI correspondence type TOMEI turbine outlet pipe (Sold separately) can be easily installed with the use of our exhaust manifold.
　
Illustration of part fitted.
　
Compatible Models
(R)PS13/S14/S15　with SR20DET engines (With ABS)
Compatible Turbines
Genuine and aftermarket bolt on turbines
Material
SUS304 Pipe diameter:φ42.7 Pipe thickness: 2mm
PART NO. 193086　
Exhaust Manifold
Information Pamphlet
MSRP $590.00 USD
　
Outlet Pipe (Dump Pipe)
Our outlet pipe (dump pipe) was made larger for assured exhaust ratio improvement, the instability and deterioration of supercharging pressure decreases the response of power from the secondary exhaust pressure which can cause a substantial decrease.
EAI compatible model is now available!
PART NUMBER
APPLICATION
MSRP
193101 (EAI Compatible) PS13,RPS13
(~93/10 * Redtop engine)
$190.00 USD
193102 (EAI Compatible)
RPS13
(93/10~ * Blacktop engine)
　
PART NUMBER
APPLICATION
MSRP
193060 PS13,RPS13 (~93/10 *Redtop engine)
$190.00 USD
193061 RPS13 (93/10~ *Blacktop engine)
193062
S14,S15
Turbo Kit

　
ARMS B7652
Application/Part Number: (R)PS13/173007・S14,S15/173008
MSRP $2,640.00 USD
　
ARMS B8446
(R)PS13/173009・S14,S15/173010
MSRP $3,310.00 USD
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