01-27-2016, 08:04 PM
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#1 (permalink)
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A True Z Fanatic
Join Date: Nov 2011
Location: Houston
Posts: 12,265
Drives: 2011 370ztt
Rep Power: 29539
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Quote:
Originally Posted by Qcity
Ps. when i first put the exhaust on, it did have a nice crackling sound upon downshifting. lately (1000 miles later) it dosent do it anymore. When it did i was using shell, then swiched to chevron. Maybe an additive in shell makes the difference? Also is a little bit quieter(but nothing quiet about it above 5000rpm). IDK, that my theory.
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The exhaust just broke in. The gas you used has absolutely nothing to do with it.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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