Thread: Ported exaust manifolds

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  1. #1 Re: Ported exaust manifolds 
    club of used to own a gp 99prixgt's Avatar
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    Would i loose some power if i get the pacesetter headers with 1-5/8'' primaries? they are almost as much as a full set of plogs from zzp.
    16' wrx sti- stock
    06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
    99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold
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  2. #2 Re: Ported exaust manifolds 
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    Quote Originally Posted by 99prixgt View Post
    Would i loose some power if i get the pacesetter headers with 1-5/8'' primaries? they are almost as much as a full set of plogs from zzp.
    No you should gain power, but the pacesetters have had problems with sealing up flush and leaking. Unless your turbo, you dont need the rear powerlog. The rear mani. isnt nearly as restrictive as the front.
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  3. #3 Re: Ported exaust manifolds 
    club of used to own a gp 99prixgt's Avatar
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    thanx man, ill prolly just get the plog and call it a day, i was reading and with the cartuning turbo kit they recommend stock manifolds witch is odd...
    16' wrx sti- stock
    06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
    99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold
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  4. #4 Re: Ported exaust manifolds 
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    Quote Originally Posted by 99prixgt View Post
    thanx man, ill prolly just get the plog and call it a day, i was reading and with the cartuning turbo kit they recommend stock manifolds witch is odd...
    Stock mani's? that is odd A smoother path and larger primaries (i.e. plog) would have a better flow. Just seems really odd.
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