Quote:
Originally Posted by oldman
With 1 and 7/8 header the engine produced no power (as in can't move the car) between 850 rpm and 1200 rpm till I put cats in the car. With 2" just off the cuff it would be 850 to 1450 RPM (going by increase in tube volume), that is um 80 percent of my DD performance, also know as "goes down the street".
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Sounds like you had a tune issue more than anything else.