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Gone Catless (test pipe)!! But loss tons of power.

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Gone Catless (test pipe)!! But loss tons of power.

  #1  
Old 03-17-2014, 08:57 PM
cipi2288's Avatar
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Default Gone Catless (test pipe)!! But loss tons of power.

Just replaced cat with a test pipe, and kept the stock exhaust back. Now the car act as if it is in some protect mode or something, just lost a ton of power!

Opinions on what it could be?? do i need a tune? Thanks in advance!
 
  #2  
Old 03-18-2014, 06:47 AM
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Year and model?
 
  #3  
Old 03-19-2014, 01:46 PM
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2002 a4 1.8t fwd
 
  #4  
Old 03-19-2014, 07:50 PM
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probably a boost or exhaust leak... CEL?
 
  #5  
Old 03-21-2014, 05:51 AM
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ok Thanks exhaust leak I'll tighten all the bolts to make sure the bolts to the turbo are tight but the ones to the flex down pipe aren't
 
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