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      02-23-2020, 10:26 AM   #4
Jeffxxx
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Drives: 2015 bmw m6 GC competition
Join Date: Nov 2018
Location: San Diego-Seattle

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Quote:
Originally Posted by Whipple View Post
There not titanium ,there regular catted downpipes, Its not necessary to upgrade unless you want more sound you can go catless downpipes, stage 2 you have to gap your spark plugs .020
Which stage 2 doesn't require catless downpipes?
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