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What's the diff between ex and si exhaust for ek?

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Old 08-31-2009, 02:48 PM
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Default What's the diff between ex and si exhaust for ek?
I'm talking about the muffler only. The mechanic say's there is none but i doonnntt knowww....
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Old 08-31-2009, 02:58 PM
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Default Re: What's the diff between ex and si exhaust for ek?
there isn't one...
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Old 08-31-2009, 03:03 PM
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Default Re: What's the diff between ex and si exhaust for ek?
Originally Posted by EBPcivic2000
there isn't one...
Yes there is!

The Si is a different part number, and has a higher flow in stock form
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Old 08-31-2009, 03:04 PM
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Default Re: What's the diff between ex and si exhaust for ek?
There's a neato little shiny piece on the end of an Si muffler
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Old 08-31-2009, 03:17 PM
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Default Re: What's the diff between ex and si exhaust for ek?
Originally Posted by Deetz
Yes there is!

The Si is a different part number, and has a higher flow in stock form
you're right.. different part numbers.. I dont think there is much of a difference though
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Old 08-31-2009, 05:08 PM
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Default Re: What's the diff between ex and si exhaust for ek?
the si one has about 1/4inch bigger outlet i had both and i could fit the ex one inside the si
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Old 08-31-2009, 05:14 PM
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Default Re: What's the diff between ex and si exhaust for ek?
yea the tip is different
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Old 08-31-2009, 05:41 PM
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Default Re: What's the diff between ex and si exhaust for ek?
Seems like the Si muffler is a tad louder (read: Sportier sounding) over the EX/DX/LX muffler. Probably doesn't flow any better, though. Mine could just be old and busted to sound more aggressive though.
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