Description

The exhaust manifold found on the 1997-2005 Subaru Impreza 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 4-2-1 Tri-Y 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 2.5L 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:
1 x Set of Header Exhaust System, Gasket(s) and Bolt(s)(ALL if any is necessary for Installation)
Compatible with:
Subaru Impreza RS 2.5L Non-Turbo (1997-2005)
  • Precision machined steel flanges that provide a tight seal at the head and allows a high flow rate through the primary tubes
  • Made From High Quality T304 Stainless Steel For Strength & Durability
  • Constructed With TIG Welded CNC Machine Flange For Percision & Fitment
  • All Tubing Is Mandrel-Bent
  • Comes With O2 Sensor Bung Insertion & Metal Gasket
Specifications
Dimensions29 x 23 x 10 inches

For 97-05 Subaru Impreza High Performance 4-1 Design Stainless Steel Exhaust Header Kit 98 99 00 01 02 03 04

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