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Discussion Starter #1
Ok fellas looking at cutting out my muffler and just running a straight pipe. Have the 03 6.0 and wanting to hear that turbo whistle. Any idea's. Will this hurt the motor or turbo.
 

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Discussion Starter #3
I think its 4 1/2 inch with a can and a 5 inch tip. I want to cut the can out and just replace that section of pipe. If it gets to loud and i dont like it then i will just put it back in.
 

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super tuner
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164 Posts
this is usually the first stock part to disappear on the PSD's. you will only see benefits from removing it. Goodluck!
 

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IH Diesel Power
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yes you will hear more turbo whistle
 

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I have a 4" straight turbo back and sounds great. The whistle is a little loud for the wife, but it's not her truckLOL
 

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Upgrade to a 3.5" MBRP downpipe. The stock downpipe has a resonator/baffle in it that cuts a lot of the whistle out. Then if you want more, delete/gut the cat.
 
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