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Old 06-02-2010, 10:09 AM   #1
hangman
Scooby Newbie
 
Member#: 173493
Join Date: Mar 2008
Chapter/Region: NESIC
Location: New England
Vehicle:
1999 Legacy GT
Quick Silver

Default Cat Converter

Hi I was wondering the last converter on a MY99 LGT after the half moon one, What is it for as o2 sensors are on the first one.

I was going to just get a straight 2.5 piping from the first cat all the way to the muffler will this cause any problems and will I be able to gain anything after this?
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Old 06-02-2010, 10:14 AM   #2
GEE-OTTO
Scooby Specialist
 
Member#: 201277
Join Date: Jan 2009
Chapter/Region: MAIC
Location: Arlington VA
Vehicle:
2009 Legacy GT
OBP

Default

if your 02 sensors are up and down of the first cat only you can shop out the second cat for straight pipe. It will be a little louder and flow better but if your first O2 sensor is in front of the first cat and the second is after the second cat you may need relocate the second sensor to the first cat
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