Intake, Headers and Exhaust Custom Exhaust? New Headers? Need Opinions on Intakes? Discuss making your ride breathe better here.
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  #1  
Old 06-06-2006, 12:18 AM
MS
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Default question

do you think that putting a 3inch downpipe and exhaust system will improbe performance or the car will lose backpressure (2002 A3 150hp K03 turbo). I have the doubt cause the size of the turbo!
 
  #2  
Old 06-06-2006, 03:38 AM
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Default RE: question

You will lose backpressure. 2.75" is the max you'll wanna go on the stock turbo. Get a borla 2.25" system, its killer and sounds the best of all.
 
  #3  
Old 06-06-2006, 05:27 AM
MS
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Default RE: question

isnt the 2.25 to small?
 
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