back pressure... - 6SpeedOnline - Porsche Forum and Luxury Car Resource

Oct 22, 2011 | 11:18 PM

khairo82

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back pressure...

whats up guys , ..
i had a bypass and magnaflow mufflers installed to my 05 cs .. great sound , but i feel like i lost some back pressure is that normal??

Oct 23, 2011 | 01:49 PM

deilenberger

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What does losing back pressure feel like?

Oct 25, 2011 | 06:11 AM

Hal 2000

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...and that's a bad thing?

Oct 25, 2011 | 08:18 AM

03EvoIII

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Quote:

Originally Posted by khairo82

whats up guys , ..
i had a bypass and magnaflow mufflers installed to my 05 cs .. great sound , but i feel like i lost some back pressure is that normal??

you mean you lost some low end torque? that's what you feel. And yea its normal. You possibly lost a little low end power to increase horsepower on the top end. Pretty common on a naturally aspirated engine.