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Old 11-08-2011, 12:36 PM
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74fj40 74fj40 is offline
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Location: Castle Rock, CO
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You can definitely put a quieter exhaust on there, but it is more the injection pump that makes so much noise. You know the earlier dodge 2500s with the 6bt? sounds similar to that...

2005 Silverado 2500hd Duramax
1972 Toyota FJ40
1967 Porsche 912(100% stock)

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