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3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

what length should my straight pipe be?

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Old Jul 27, 2009 | 03:10 PM
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cheadlesram2500
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From: Hilton Head
what length should my straight pipe be?
looking at two different straight pipes, 30" or 27.5", don't know which one i need! any help?!?

and it is a 2007 5.9 cummins
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Old Jul 27, 2009 | 05:01 PM
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Get under the truck, measure where the cat and muff are, and look. You can always get the longer one, and trim the existing exhaust to fit. We can put this on when you come over, too...
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Old Jul 27, 2009 | 05:03 PM
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From: Hilton Head
im leaving the cat on and just taking the muff off, will this void my warranty
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Old Jul 27, 2009 | 06:27 PM
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Depends on your dealer. Technically, anything after the cat should not matter.

Wait a minute... you're talking about gauges and smartys.... pick one or the other. Warranty or fun...
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Old Jul 28, 2009 | 04:28 PM
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From: Hilton Head
hmm i say FUN!
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Old Jul 29, 2009 | 07:18 AM
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Well, then you better stop thinking about having a warranty...
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Old Jul 30, 2009 | 06:36 PM
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haha ok guess i will have to
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Old Jul 30, 2009 | 06:42 PM
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What dealer do you use? HH at the new river auto mall? Go see the service manager and ask him what he will allow. Some of them are mod friendly, some are not.
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