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  1. M

    High Performance Manifolds for small block.

    Anyone have ideas on how much HP you'd lose with those VS. a TTI or Doug's header? '74 Duster, factory weight Stroker Iron heads Under 10.5 compression Under .550 cam Dual plane Stick 4.10 More street than strip Thanks for your help!
  2. M

    Dougs Headers Cyber Monday deal @ Autozone

    Thanks for the feedback. She's got manual steering & is getting a 360/833 combo.
  3. M

    Dougs Headers Cyber Monday deal @ Autozone

    When I filled out the 'make sure this fits your vehicle', it said that the D453's wouldn't fit my '74 Duster. In fact, they had no Doug's headers that would fit.
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