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07-24-2022, 10:22 AM
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#121
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dances with roads
Drives: '07 E86, '02 996, '95 Seven
Join Date: Jul 2015
Location: the perimeter
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Quote:
Originally Posted by Michael9218
It would've been equally interesting if they had also experimented with the shape of the bellmouth. I've seen studies in the past on bellmouth shape and it can also profoundly impact air flow.
The Turner velocity stacks are shaped with a slightly wider and smoother bellmouth than the OEM velocity stacks. I dyno'd them back to back and it only made about 3 more HP over the OEM shape.
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"Only?" I'll take it! 
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