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  #1  
Old 01-24-2017, 06:54 PM
Curly Joe's Avatar
Curly Joe Curly Joe is offline
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Default 2" D-Port Mad Dog Headers

Mad Dog Pontiac Headers for traditional Pontiac Engines in a 1968-1973 GTO/LeMans.
Part #9150 - D-Port Heads, 2" primary, 3½" slip on coll. Ps. pb. air, auto. 1 tube each side over the frame.
Never used or bolted on. Killer set of Headers.

$500.00
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  #2  
Old 01-24-2017, 09:08 PM
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ed boersma ed boersma is offline
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Default Mad Dog Headers

P/N 9150 are for round port heads, P/N 9151 are for D ports. Which are they? Thanks!

  #3  
Old 01-24-2017, 10:30 PM
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69FIREBIRD76MM 69FIREBIRD76MM is offline
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Looking at the pictures looks like D ports.

  #4  
Old 01-24-2017, 10:51 PM
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Thumbs up D Port

http://www.spottsperformance.com/headers

http://maddogheaders.net/products/pontiac

they have the D-Port adapter plates.
Probably can be used on O Port as well, check the pics.
pics of the flanges with and without the plates.
Just checked the Mad Dog site, now listing 2 set of Headers D and O port, different part numbers, no adapter plates.
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  #5  
Old 01-24-2017, 10:59 PM
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They are best and easiest to install!Bolt on the plates and then all the header bolts are EZ to get at.Been running them for 20 years.Tom

  #6  
Old 02-18-2017, 12:07 PM
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Default Mad Dog Headers

PM sent.

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