Another 4.2 Exhaust Thread
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1st Gear
Joined: Oct 2007
Posts: 8
Another 4.2 Exhaust Thread
Hi Everyone,
I always search the crap out of the forums for answers before I post and I can't seem to find information so here goes...
What's up with the high flow cats I see available for mine (01 a6 4.2) and other audis? They do not have O2 sensor bungs. Does this mean that you have to install your own O2s, or are people running without O2 sensors with these high-flow cats?
B
I always search the crap out of the forums for answers before I post and I can't seem to find information so here goes...
What's up with the high flow cats I see available for mine (01 a6 4.2) and other audis? They do not have O2 sensor bungs. Does this mean that you have to install your own O2s, or are people running without O2 sensors with these high-flow cats?
B
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