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Old 08-10-2009, 11:33 PM   #22
Drives: 2010 1LT RS
Join Date: Jun 2009
Location: Ontario, CA
Posts: 98
Hey Sauvecito, I did a little more digging around on that muffler and it does appear to have a built in X pipe. Does anyone know what the consequence of having an X Pipe after an H pipe is? Is there a consequence?

I also read that if you are going to install an X pipe it is important to have it the correct distance from the engine so that the firing order causes the exhaust to cross at the right times. It can actually be counterproductive to have an X pipe too far back.

Can anyone smarter than me verify this?
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