Quote:
Originally Posted by turtlefeeder
Actually the turbo spool extremely quick putting down the throttle and the car just pulls hard. It can be felt almost right away which is why I want to keep it. The reason for the question is if I do need a smog check in the future I could just quickly put back the stock header to pass smoke without again a re re tune
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I feel like youd do more damage putting a ulh on a catted tune rather than a cat on a ulh tune. i wouldnt run the cat with a ulh tune but it should be fine for just the smog test