3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

cat and muffler

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Old 09-20-2005, 10:16 PM
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cat and muffler

Are there any significant gains to eliminating cat and muffler
Old 09-20-2005, 11:00 PM
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keep the cat, ditch the muffler.
Old 09-21-2005, 08:25 AM
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Capt'n Ron,

Yep we get calls everyday from customers that have added our MBRP preformance replacement muffler that they get good EGT drops, quicker spool up and a much nicer full throttle sound, cruising is nearly stock sound levels. The muffler is built from 409 stainless like the rest of the factory system, it has welded hangers that reuse the stock rubber mounts and is easy to install. We also have cat test pipes for racing and off road use if you need even more EGT drop and or want to have more of that Cummins sound! Call us if you have any questions etc.

Mark @ DPPI
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