4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

which headers

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Old 04-13-2007, 02:54 PM
  #1  
Will Mck
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Default which headers

Should i go with mac or bbk? any other brands to look for?
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Old 04-13-2007, 03:10 PM
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70 MACH I
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Default RE: which headers

My BBK fit fine, I just didn't like the fact that they welded the tube to the flange, from the inside of the tube. This effectively reduced the port opening by 1/4", I also ran into sloppy welding where the tubes merged in the collector, effectively reducing flow. Needless to say I spent 3 hours with a die-grinder grinding and smoothing the ports before they went on the car. Ask others about the quality of the MACS, also ceramic coating is worth every penny they charge!

John
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Old 04-13-2007, 03:47 PM
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JT76
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Default RE: which headers

I have the ceramic MAC's on my car, very good value for the money
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