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Discussion summary
YOUR RESEARCH996 sports exhaust HELP!
Leading reported evidence
Disconnect vacuum pipes and plug them
Suggestion or failed attempt
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0
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1
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Suggestion
You could just disconnect the vacuum pipes and plug them to stop leaks.
Leading evidence: 'Disconnect vacuum pipes and plug them' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Disconnect vacuum pipes and plug them' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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The default mode is LOUD (very loud indeed with the latest version). You could just disconnect the vacuum pipes and plug them to stop leaks. Then you're loud all the time - quick and dirty but it works and all you have to do to sell the car is connect the pipes back up
Ian W
Migration info. Legacy thread was 27771
the switch allows u to turn it off completely, or when it's on the electronics dampen down the sound between 30/44 mph for MOT purposes I believe!? several guys have said their dealer can override this, trying to find out which dealers they are, Lindbrook isn't very helpful on this one!
Migration info. Legacy thread was 27775
The 30/45 quiet mode cannot be overridden by an OPC as it is not a programmable function. You have to do it yourself and it isn't sanctioned by Porsche (Surprise)!
Here's how:
http://www.renntech.org/forums/index.php?showtopic=2470
Ian W
Migration info. Legacy thread was 27777
Ah ha... I didn't realise there was spoilsport electrickery involved.
Reminds me of the standard Ferrari F355 exhaust which opened a cat bypass valve at 3000 rpm in all gears except 3rd when it opened at 4000 rpm- a neat route around the Euro drive-by noise regs!
They claimed it was to increase back-pressure at low rpm to improve torque, which may be Porsche's line too.
Migration info. Legacy thread was 27781
