Forum: Performance and Technical Chat
07-21-2009, 09:07 AM
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Replies: 17
Views: 2,484
How restrictive is the stock boxster muffler?
from the looks of it it has to go through 3 chambers before it exits through the tail pipe that seems like a lot of looping around for no reason. I guess they do this to not only restrict exhaust...
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Forum: Boxster and Cayman Parts for Sale or Wanted
07-20-2009, 05:08 PM
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Replies: 1
Views: 1,184
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Forum: Performance and Technical Chat
07-20-2009, 04:46 PM
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Replies: 15
Views: 9,981
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Forum: DIY Project Guides
07-20-2009, 02:11 PM
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Replies: 349
Views: 224,742
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Forum: Performance and Technical Chat
07-20-2009, 02:09 PM
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Replies: 15
Views: 9,981
How many catalytic converters in boxster?
when i looked under the car i only saw 2 but i've seen from performance parts places that state they make cat-bypass pipes that bypass the secondary cats which mean that they have primary cats as...
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Forum: Performance and Technical Chat
07-19-2009, 07:08 PM
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Replies: 2
Views: 1,465
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