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#1 | |
Senior Member
Join Date: May 2010
Location: Eastern Tennessee
Posts: 11,971
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![]() Quote:
I can only speculate but likely only a couple of Hp, -if that. |
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#2 |
BANNED
Join Date: Dec 2019
Posts: 1,196
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If you only get 4 hp that's a 10% increase..header doesn't do much,Hick's exhaust manifold design is sound..
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