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Discussion Starter #1
I am thinking about leaving my stock exhaust system but adding headers and electronic cutouts so my question is will I have any problems with performance or mechanically running the car with open headers and no restriction?:grouphug:
 

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Yes, don't do it ahha. You'll foul out your o2's, you will have no backpressure(no low end), and in the winter you can break valve springs.
 

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Discussion Starter #3
how can I do it to have no noice when driving on the street and when I am at the strip make it loud and agressive jaja
 
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