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IS F (2008-2014) Discussion topics related to the IS F model

Stock ISF Exhaust size

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Old 06-11-17, 11:36 PM
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Isfast
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Default Stock ISF Exhaust size
Searched, but could not find any info. What is the stock exhaust size right after the header? If anyone has the info, please let me know. Thanks.
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Old 06-12-17, 04:39 AM
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flowrider
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This thread may help you:

https://www.clublexus.com/forums/is-...e-pending.html

The dimension is somewhere close to 2.5"

Lou
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Old 06-12-17, 05:18 AM
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Isfast
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Originally Posted by flowrider
This thread may help you:

https://www.clublexus.com/forums/is-...e-pending.html

The dimension is somewhere close to 2.5"

Lou
Thanks Lou. Saw that as well. The section with the arrow looked a little bigger than the section after the header.
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Old 06-12-17, 05:26 PM
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Anyone.......??
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Old 06-14-17, 08:26 PM
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Just after the primary cats its 60mm then goes to 70mm OD, hope this helps.
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