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Hedman 18830

X-Treme Exhaust Equalizer Universal

Hedman 18830

500-18830

made in usa
jegs shipping
FREE Shipping
Estimated ship date 08/30/17 if Ordered Today
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Hedman 18830 X-Treme Exhaust Equalizer Universal $162.99
X-Treme Exhaust Equalizer
  • Universal
  • 3" Tubes

  • Hedman 18830 Details

    Universal X-Pipe

  • Eliminate Firing Order Pressure Differences
  • Increase Horsepower At All RPMs
  • Available In 2.5 in. And 3 in. Diameter
  • Fully Aluminized
  • Universal Fit

  • Specifications:

    Material
    Aluminized Steel
    Tube Diameter
    3
    Position
    N/A
    Center Line Radius
    N/A
    Bend Angle
    N/A
    Leg/Straight Length
    N/A
    Includes Catalytic Converters
    No
    Pipe Diameter (in.)
    3
    Pipe Finish
    Aluminized
    Pipe Material
    Mild steel
    Pipe Style
    X-pipe
    Quantity
    Sold as a kit
    Manufacturer's Part Number:
    18830

    HEDMAN's Exhaust Equalizer Kit completely eliminates firing order pressure differences between the right and left banks of the exhaust manifolds or headers. The tangentially siamesed crossover junction synchronizes the exhaust pulses.

    The Science Behind The X-Pipe
    The firing order of all production V8 engines, regardless of make, has one cylinder in each bank that will fire within 90° of crankshaft rotation of another cylinder in the same bank. This occurs twice during completion of the entire firing order. These two cylinders will be exhausting almost simultaneously into the same manifold system. Full-length 4-tube headers help separate these pulses until the collector is reached. After the header tubes dump into the collectors, the two cylinders again are fighting each other for space in the collector and exhaust pipe. The result is reflected pressure waves traveling back up the exhaust system, backpressure, lost power, and poor economy.

    At the same time two cylinders exhaust in one bank, there is no activity in the opposite bank. The traditional H-pipe equalizer allows some of the excess pressure to bleed over the "quiet side" of the exhaust system, resulting in some low and mid-range torque improvements. At high RPM, however, the gases cannot bleed across the H-pipe fast enough to help power significantly. Hedman's X-TREME Equalizer Pipe splits the flow in the crossover junction so the pressures on both banks will be equal and pulse free after the crossover regardless of RPM. Volumetric efficiency and power are therefore improved at all engine speeds.

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