Thread: CG DS-1
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      06-07-2022, 11:32 AM   #9
iiwilsonii
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Drives: 2017 BMW 540i
Join Date: Sep 2020
Location: Tempe

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Quote:
Originally Posted by mike@x-ph.com View Post
It's a substantial increase in the mid-range, much deeper tone.
Also a noticeable sound on high RPM and cold start.

Regular driving with valves closed is very similar to stock
That's exactly what I'm looking for. Thanks for hooking me up on memorial day with the downpipe!
Appreciate 0