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Old 06-30-2012   #151
tpepmeie
 
Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
Default Re: OBX Headers?

I have one set of equal length headers on the 427. Primary tubes are 2" dia, 28" long. Has to have custom exhaust, nothing out there will bolt up. No idea who made them exactly, but were told they came from the Kim Baker / GM program in the 90's.

Todd
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Old 06-30-2012   #152
ZR WON
 
Join Date: Jan 2007
Location: Indianapolis, IN
Posts: 35
Default Re: OBX Headers?

Todd:

Long time no talk! You have the set I'm
Referring to. perhaps I'm misremembering,
But I thought you bought those at the LPE
AUction years ago??!?

Brian A
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Old 06-30-2012   #153
tpepmeie
 
Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
Default Re: OBX Headers?

I got them from Chris Rinehart about 10 years ago. Not sure where he got them. You can see them in the April HoTB, in the article about the 427.

PS. We need to get together for a beer!

Todd
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Old 08-16-2014   #154
Billy Mild
 
Join Date: Aug 2014
Location: Kansas City, MO
Posts: 838
Default Re: OBX Headers?

Holy old bump, how are the OBX headers holding up? Is there a long term review?
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Old 08-16-2014   #155
secondchance
 
Join Date: Aug 2006
Location: McLean, VA
Posts: 3,714
Default Re: OBX Headers?

Quote:
Originally Posted by Billy Mild View Post
Holy old bump, how are the OBX headers holding up? Is there a long term review?
Great! No complaints.
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Old 08-17-2014   #156
efnfast
 
Join Date: Nov 2011
Location: Dunbarton NH
Posts: 7,395
Default Re: OBX Headers?

Mine have been on for 25K miles, 2 years. Zero complaints.
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Old 08-17-2014   #157
KILLSHOTS
 
Join Date: Feb 2014
Location: AZ
Posts: 860
Default Re: OBX Headers?

3 weeks and almost 150 miles and they still seem to be holding up.
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Old 08-17-2014   #158
Billy Mild
 
Join Date: Aug 2014
Location: Kansas City, MO
Posts: 838
Default Re: OBX Headers?

So it sounds like the quality is decent. About how much power do these headers add?
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Old 08-17-2014   #159
KILLSHOTS
 
Join Date: Feb 2014
Location: AZ
Posts: 860
Default Re: OBX Headers?

Along with the proper tune to add fuel, Marc says they add 25+ HP. Not sure I felt a full 25 HP on the butt-dyno, but it's definitely a worthwhile mod.
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Old 08-17-2014   #160
efnfast
 
Join Date: Nov 2011
Location: Dunbarton NH
Posts: 7,395
Default Re: OBX Headers?

I did headers, exhaust, and chip upgrade. Went from 311 to 353 RWHP.
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