Quote:
Originally Posted by Captain Snooze
On starting the car it sounded like it was idling smoother. Is it possible the oem headers are just slightly unequal length? Could be just my imagination. Sounds a little more "coming on cam" at wide open.
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Stock headers I believe are equal length, but this picture (provided by Perrin) shows how they are laid out. The slight burble is most likely caused by the driver side being almost a straight shot at the collector while the passenger side has to do almost a 180 degree bend.
Just guessing though.
