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<blockquote data-quote="BMW9700" data-source="post: 160441" data-attributes="member: 49"><p>Hi bro Van</p><p></p><p>i did not remove the flap but just disconnected the vacuum hose at the tip..it can be inserted back..I dont find any gain/loss in performance but the exhaust note has become deeper and more bassy..i prefer that the valve is disconnected..please do try and post your findings..btw you can use a larger screw to tap the hose while not being used to prevent dirt from being sucked in..</p><p></p><p></p><p>regards</p></blockquote><p></p>
[QUOTE="BMW9700, post: 160441, member: 49"] Hi bro Van i did not remove the flap but just disconnected the vacuum hose at the tip..it can be inserted back..I dont find any gain/loss in performance but the exhaust note has become deeper and more bassy..i prefer that the valve is disconnected..please do try and post your findings..btw you can use a larger screw to tap the hose while not being used to prevent dirt from being sucked in.. regards [/QUOTE]
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