05-09-2017, 08:29 PM | #1 |
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Drives: 440 xi MPPSK JB4
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Mppsk plus jb4 exhaust tone
Does the addition of jb4 to 440 with mppsk change the exhaust note , tone or burbles at all?
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05-10-2017, 01:01 PM | #2 |
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Just wanted to let everyone know someone over in the N54 tech forum stated no change in exhaust tone/burbles with JB4. He has tried with all applicable maps - all the same
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05-10-2017, 01:15 PM | #3 | |
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Mike |
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05-11-2017, 04:32 PM | #4 |
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Piggyback tunes will not change the exhaust tone on any car ... As Mike mentioned more spool sound because of higher boost but not the actual exhaust tone (burbles,etc..)
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05-14-2017, 01:00 PM | #5 | |
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if you want burbling, you need to remove cats and/or resonators. my recommendation is to always get a downpipe (catted or catless) |
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