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· Royal Floor Sweeper
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4,338 Posts
Just add more in the thread. The first post is getting rather full anyways.
The Edit button should be next to the "quote" on your own post. If problems, PM me the changes and I'll help do them.
 

· Royal Floor Sweeper
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4,338 Posts
The typical header "cel eliminator" is really just an extension of the lower/second O2 sensor, thus reducing the registered flow. Thereby, it reads the same as it would with the first cat in place. The length needs to be precise to be an accurate sensing, tricking the ECU to operate normally and flowing/breathing better.

That won't affect anything else.
 

· Royal Floor Sweeper
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4,338 Posts
The best way to get to the rearward bolts is to remove the cowl.
 
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