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2007-2008 S331 Sportruck For discussion of the F-150 platform "Thunder."

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  #1  
Old 02-23-2015
jlerma13 jlerma13 is offline
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Default Q: Exhaust headers for 2008 HD?

Which headers do you guys have or recommend ?
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  #2  
Old 02-25-2015
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Duvalballer Duvalballer is offline
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There are not too many to choose from. Dynatech, OBX, or American Racing are the main brands out there. Im on my third Harley and on my second an '06 I had OBX and I saw big horsepower gains on the dyno with them. I have also heard nothing but good things about Dynatech but they are a little pricey.
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07-0198 Saleen S331
-2.3 Whipple Supercharger-SOLD
2003 300A Mercury Marauder #2545 of 7838
Vortech V3 SI -Trim Supercharger 424rwhp Ice Vex air to air intercooler, Eagle forged crank, Eagle forged H beam rods, Arias pistons, ARP head studs, bored .020 over, 4.10 gears, 39lbs injectors, Aeromotive 340 fuel pump, K&N CAI, X3 tuner
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  #3  
Old 02-25-2015
jlerma13 jlerma13 is offline
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Thanks for the info! I think I'll be getting obx as well. Their identical to the dynatech as well as the material. Are you running your headers with cats or with out cats? Also what cat back system did you go with. Sorry for the questioning, not to many Harley or s331 owners now days.
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  #4  
Old 02-26-2015
haulin S331 haulin S331 is offline
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I still have mine S331SC #309
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  #5  
Old 02-26-2015
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Jason @ 281m Jason @ 281m is offline
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Quote:
Originally Posted by jlerma13 View Post
Thanks for the info! I think I'll be getting obx as well. Their identical to the dynatech as well as the material. Are you running your headers with cats or with out cats? Also what cat back system did you go with. Sorry for the questioning, not to many Harley or s331 owners now days.
With headers, you get what you pay for. Full disclosure, I dont have any knowledge of OBX, but there are few headers that are at the quality of American Racing or Dynatech. Just because they look the same, doesnt mean they are.
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  #6  
Old 02-26-2015
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Jason is right. You get what you pay for. OBX is no Dynatech but its no Pacesetter either. I drove them for 2 years with their high flow cats, magnaflow x-pipe and dynomax mufflers. I never had one problem with them. They were great. When I start putting some money into my S331 I would definatly buy another set.
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2007 Harley Davidson F150 Saleen Supercharged #6933
07-0198 Saleen S331
-2.3 Whipple Supercharger-SOLD
2003 300A Mercury Marauder #2545 of 7838
Vortech V3 SI -Trim Supercharger 424rwhp Ice Vex air to air intercooler, Eagle forged crank, Eagle forged H beam rods, Arias pistons, ARP head studs, bored .020 over, 4.10 gears, 39lbs injectors, Aeromotive 340 fuel pump, K&N CAI, X3 tuner
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  #7  
Old 02-26-2015
Jason @ 281m's Avatar
Jason @ 281m Jason @ 281m is offline
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Quote:
Originally Posted by Duvalballer View Post
Jason is right. You get what you pay for. OBX is no Dynatech but its no Pacesetter either. I drove them for 2 years with their high flow cats, magnaflow x-pipe and dynomax mufflers. I never had one problem with them. They were great. When I start putting some money into my S331 I would definatly buy another set.
Thanks! Also, find a local company that ceramic coats AND copper lines the inside of the header. Heat soak robs serious horsepower. I'm always amazed when I see a raw stainless header and serious power going through it. The one benefit of a cast iron header is the ability to withhold heat unlike a thin wall stainless header.
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1996 Cobra Vortech SC / Track prepped
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Check out our facility promo video here: http://bit.ly/1yHNfxM

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  #8  
Old 02-27-2015
jlerma13 jlerma13 is offline
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Cool, thanks for the info! I'll ask my local shop about coating them. First time I've ever heard of doing that.
After new manifolds n gears I think I will be done with mods.
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  #9  
Old 02-27-2015
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Quote:
Originally Posted by jlerma13 View Post
Cool, thanks for the info! I'll ask my local shop about coating them. First time I've ever heard of doing that.
After new manifolds n gears I think I will be done with mods.
Most shops dont push it because there is little money in it for them.
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NO PM'S - PLEASE CALL | 714-575-1505

1996 Cobra Vortech SC / Track prepped
2002 Saleen Speedster #02-346
2007 Roush TrakPak-Race car
2015 Mustang GT

Check out our facility promo video here: http://bit.ly/1yHNfxM

Email: sales@281m.com
Web: www.saleenspeedlab.com
Facebook: www.facebook.com/mustangperformance
Youtube: http://bit.ly/1zOxanf


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  #10  
Old 07-17-2015
Metalcop Metalcop is offline
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I had my eye on the Banks shorty headers. Anybody out there have any experience with them? I know that Banks, as a company makes quality, top-notch products.
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