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SoCal and FR, I value the input from both of you, but you act like there isn't much room for improvement over the stock exhaust. Are you talking about the cast iron or the tube headers? The cast iron look to me to be well designed, but the tube manifolds did not impress me at all. The welds mounting the primaries to the flange need cleaned up, and internally the junctions of tubes were pretty poor in my opinion. I would guess that the cast manifolds flow measurably better than the tube manifolds. Which manifolds were the aftermarket headers tested against?
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'86na, 5-spd, turbo front brakes, bad paint, poor turbo nose bolt-on, early sunroof switch set-up that doesn't work.
Malo periculosam, libertatem quam quietam servitutem.
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