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My friend has an ESS VT650 kit with the valvetronic and I don’t think there’s a way to keep them full open as it’s vacuum actuated and eventually it’ll bleed vacuum.
I have the G1 kit and a turner valved catback and my exhaust controller shit the bed recently so I’ve been driving it around with valves closed for a month. I just don’t go WOT (but will go 75% occasionally).
I need a valved unit so that I can be in stealth mode since I live in a small town and cops can be an issue. Just don’t go WOT with it closed and your fine!
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2009 BMW 335i 6MT
*big single (eventually)*
For now...
MHD tuned
VRSF Race IC
DCI
ATM exhaust
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