Quote:
Originally Posted by parky1215
it sounds fantastic. love you guys for putting effort developing things for F30.
i hope drone is minimum at cruising speed.
is your shop car AT or manual?
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Thanks, Depends on the RPM but, there is very very minimal drone at highway cruising speeds with the downpipe. The car we have here is manual.
With the stock cat, there was no hint of drone at all.