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2,25 turbo outlet >> 2,5 downpipe

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Old 07-18-2006, 04:19 AM
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Default 2,25 turbo outlet >> 2,5 downpipe
How should I make a transition from 2.25 turbo outlet (T3 Saab garrett internally gated) to 2.5 downpipe ?

If I make 2.25 flange to mate with the turbo should I also make tapered pipe transition (red lines on the drawing) or do not worry about it and simply weld 2.5 pipe on 2.25 flange ? I don`t want to affect performance.

How do you have your downpipes ?

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Old 07-18-2006, 10:30 AM
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Default Re: 2,25 turbo outlet >> 2,5 downpipe
you buy the flange with the 2.25" hole cut in it and weld the 2.5" pipe on around the hole :1
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Old 07-18-2006, 11:10 AM
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Default Re: 2,25 turbo outlet >> 2,5 downpipe
durrrr...
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Old 07-18-2006, 11:23 AM
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Default Re: 2,25 turbo outlet >> 2,5 downpipe
Originally Posted by adamez
How do you have your downpipes ?

The time it took for you to make this drawing your DP would have been done.
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