Test Pipe size?
06-30-2008, 10:22 AM
#4
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Originally Posted by Kaos_theory,Jun 30 2008, 02:03 PM
yup, you don't wanna bottleneck your exhaust flow. If your catback is 60mm then get a 60mm test pipe. If it's 70mm get a 70mm testpipe.
no bottleneck: 57mm -> 63mm -> 70mm
bottleneck: 57mm -> 70mm -> 63mm
06-30-2008, 10:09 PM
#7
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Originally Posted by Kaos_theory,Jun 30 2008, 11:32 AM
thats basically exactly what I said, don't mate a 70mm testpipe to a 60/63mm exhaust
a 70 mm testpipe isn't going to restrict a 63mm exhaust!
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07-01-2008, 06:57 AM
#8
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Originally Posted by Seattle2k,Jul 1 2008, 12:09 AM
that's retarded. a 70 mm testpipe isn't going to restrict a 63mm exhaust!
a 70 mm testpipe isn't going to restrict a 63mm exhaust!You would be going from around 67- 67.5mm ID to a 60mm ID. This is called a bottleneck.
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