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Which headers for supercharger?

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Old Feb 2, 2009 | 06:09 PM
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Default Which headers for supercharger?

Going to pro-charge or do a roots style blower eventually on my car, doing the exhaust right now. Stock cubes, small possibility of going larger.

Do I go with 1 7/8 or 1 3/4 primary headers?
Off road y or cat y?

I would rather be legal, but if its going to cause trouble and consume power then It may not be worth the extra cost. I will for sure buy ceramic coated headers.

What do yall think?
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Old Feb 2, 2009 | 07:36 PM
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depends on the size of the motor, an of course the power your shooting for..
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Old Feb 2, 2009 | 09:15 PM
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going to be a 347, shooting for no more than 450 rwhp
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Old Feb 2, 2009 | 09:19 PM
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If you don't want more than 450RWHP, just get 1 3/4. I have coated 1 7/8 Kooks, but I'm not concerned with limiting power .
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Old Feb 2, 2009 | 09:25 PM
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Originally Posted by superbee_68
going to be a 347, shooting for no more than 450 rwhp

any headers.
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Old Feb 2, 2009 | 09:41 PM
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LOL for 450 you could use manifolds. Honestly if you're only going for 450rwhp then throw a stoker crank in there to get 382ci and you'll have that or more. It would also be MUCH cheaper.
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Old Feb 2, 2009 | 10:31 PM
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Couldn't 450rwhp be done NA with a good head and cam combo?

Troy
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Old Feb 3, 2009 | 05:36 AM
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Originally Posted by badass99ss
Couldn't 450rwhp be done NA with a good head and cam combo?

Troy
Yes it can, although you would lose some of your bottom end power. With an ATI ProCharger, gas mileage isn't affected unless you have a lead foot, and the car can still be used on road trips just as it was when it was stock. Obviously you could still drive an N/A 450 rwhp on trips too, but everyone's opinion of what they will tolerate for street use is different. Bob
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