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Ok so I just bought a wideband a/f gauge so I can tune for spray easier and im wondering where you guys are mounting your o2 bung? Usually it goes before the cat but on the stock mid pipes there isnt much room if any before. Are you putting it right after the cat and would that still give me a good read out? Any info or pics would be awesome thanks.
 

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I put mine on the drivers side about 90 degrees from the stock O2and a little closer to the mounting flange. I went under my car with a sharpie and marked the spot. 392
 

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I placed mine on the drivers side before the Cat positioned at 10 o'clock if laying under the car facing towars the front bump, lots of room.
 

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mine is pre cat about 1:30 - 2:00 drives side
 
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