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B Series Bisi Style Header V2 4-1 Merge Collector B18 B20 For Sale

Original price was: $309.95.Current price is: $154.98.
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Estimated Delivery:
14 - 21 Mar, 2025
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Description

  • B-Series header features a true 4-1 merge collector for more equal exhaust flow.
  • This header delivers the best peak horsepower gains while utilizing a 2-piece design.
  • This is ideal for all forms of competition; Autocross, Drag racing and road racing.
  • Recommended for 1.8L – 2.0L engine displacements.
  • Made of 304 Brushed Stainless steel
  • True 2.65 (ID)inch collector outlet
  • Hand TIG Welded CNC-ed machined manifold flange
  • One year warranty 18G on the 304 S S.
  • Measured at .049 to .050 OEM spec header gasket
  • OEM spec donut gasket 
  • Two piece design Half core radiator must be used

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