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Feature
Made of high quality steel with 4-1 direct bolt-on designTIG welded CNC machine flange
O2 sensor bung insertion / Metal gasket included / Inlet: 1.875" / Outlet: 2"
Increase high flow air, instantly gain 10 to 15 Hp. / Tq
Application: 89-90 Nissan 240SX S13 SOHC engine only (Instruction not included, Professional installer is highly recommended)
Description
The exhaust manifold found on the 1989-1990 Nissan 240SX SOHC 4 Cylinder Engines were designed to combine the exhaust gasses from each of the cylinders quickly with a manifold that was cost effective to produce. Our 4-1 off-road racing headers are designed to allow the exhaust gasses to flow more freely from each cylinder and combine in a more efficient manner. Tubing has been optimized for the 2.4L engine. This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque. An added benefit is a more performance oriented exhaust sound.Package Included:
Compatible with: