Forum: Boxster Racing Forum
10-18-2016, 07:45 PM
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Replies: 7
Views: 2,017
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Forum: Boxster Racing Forum
10-18-2016, 11:28 AM
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Replies: 7
Views: 2,017
Here is my experience;
For 90dB, I run the...
Here is my experience;
For 90dB, I run the test pipes and the stock muffler.
For 94dB, I run the test pipes and the Top Speed Pro 1 or equivalent eBay muffler (which is quite a bit lighter...
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