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  #1  
Old May 5th, 2011, 04:00 PM
trybul
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Craig Hobbs
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300 tdi exhaust

To continue on the 300tdi installation threads i have been making, i now have questions about the exhaust.
I have found conflicting information and would like to get some opinons. I have heard that you need the stock exhaust system, again i currently and swapping out from a 2.5 na to the 300. Some people have said that i can just mate up the down pipe from the 300 to the existing exhaust...I want to make sure that i do this right, as the motor that i am putting is practically brand new.. and i want to ensure that i maximize its life, and effeciency...
also if i do need the stock how do i make sure that i get the right one sent over...there seems to be a few listed for the 300 tdi...thanks
craig
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  #2  
Old May 5th, 2011, 05:17 PM
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Ren Ching
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Skinny Pete
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the 2.5's exhaust will be on the small side. the turbo will work better through a free flowing pipe, or so it is said. why not hook it all up using the 2.5's system, then take it to a decent shop and have them bend you up a new system using 2.25 or 2.5 inch and a free flowing muffler. ou could go with stock if you are mounting the drivetrain in the stock position. I found that nothing lined up on mine including the hangers so I just fudged something together, then took it to a shop and had them fix it.



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Originally Posted by trybul View Post
To continue on the 300tdi installation threads i have been making, i now have questions about the exhaust.
I have found conflicting information and would like to get some opinons. I have heard that you need the stock exhaust system, again i currently and swapping out from a 2.5 na to the 300. Some people have said that i can just mate up the down pipe from the 300 to the existing exhaust...I want to make sure that i do this right, as the motor that i am putting is practically brand new.. and i want to ensure that i maximize its life, and effeciency...
also if i do need the stock how do i make sure that i get the right one sent over...there seems to be a few listed for the 300 tdi...thanks
craig

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  #3  
Old May 5th, 2011, 09:30 PM
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Buckon37s
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Buck
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You can bolt the one you have straight up to the 300. It will run fine, but a 3in will be much better for performance and egt recovery. There is no reason at all to order a new stock one. Cheers!
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Old May 6th, 2011, 08:32 AM
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X3/reiterating/piling on. 2.5" minimum, that's roughly the factory downpipe dimension. The factory system gets smaller as it goes back, a 2.5 all the way would be better.
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