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Billy Boat Exhaust
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10-20-2018, 09:02 PM
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Aperretta
Drives: 2017 SS 1LE
Join Date: Sep 2017
Location: Shorewood, IL
Posts: 265
This is the reason the valves are not quieting the system. But the 2nd pic shows how much beefier the valve system is, compared to stock.
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