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      02-25-2024, 04:43 PM   #4
void123
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Drives: 2023 BMW 330i xDrive
Join Date: Feb 2024
Location: Fairfax

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Quote:
Originally Posted by mike@x-ph.com View Post
It looks like you have the same thread in 2 different sections. Here is my responses again

Higher flow downpipes (catted or catless) will increase your exhaust sound, including the burble, so it's much more noticeable.

Another way is by doing a flash tune like the bootmod3.
Piggybacks, like the JB4, do not change the burble sound.
Thank you for the response. Does my model come with burbles stock without the need of tuning? Could I get a VSRF Catless Downpipe and an AWE Track Exhaust and notice burbling? Also do you know what tunes would not void warranty? Thank you again
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