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Hi, just curious if anyone has used or has spec'd any results on the BD exhaust manifold. After seeing their web site displaying the differences between stock and their product, I used an old infra red camera setup and sure enough, a huge hot spot at the restriction. Why on earth would they do that? to ease assembly at the plant?

Besides increasing the life of the motor, the balancing effect of the exhaust has to increase efficeincy and power. I have not even got to the tuner stage of my buildup, but this seems like a plus in more ways than one. Anyone?:gearjamin
 

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Hi, I'm Earth. Have we met?
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I havent heard it making any performance gains but i'm sure it has to have a good effect on temps and back psi on those few cylinders!!!
 

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Oh...... Squirrel!
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