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-   -   3.0 cat and 02 sensor delete. (http://forums.pelicanparts.com/porsche-911-technical-forum/643682-3-0-cat-02-sensor-delete.html)

SWoolley 12-06-2011 05:18 PM
3.0 cat and 02 sensor delete.
 
I have been researching exhaust upgrades for my 3.0.....ssi heat exch etc. Does anyone know anything about cat bypass systems??

Scott

Joe Bob 12-06-2011 05:21 PM
Not a fan on 3.0s. I like the SSI heat exchanger option. I also recommend keeping the 02 sensor.

With the SSIs you can use an early dual in muffler, single outlet muffler.

Oh Haha 12-06-2011 05:24 PM
Quote:
Originally Posted by Joe Bob (Post 6415515)
Not a fan on 3.0s. I like the SSI heat exchanger option. I also recommend keeping the 02 sensor.

With the SSIs you can use an early dual in muffler, single outlet muffler.
+1

About the best bang for the buck for an SC. Use an M+K muffler and you'll be VERY happy. BTW-a cat bypass is just a replacement pipe for the catalytic converter.

Reiver 12-06-2011 05:30 PM
Bursch makes a bypass and all of them retain the 02 sensor with. You'll have to bump your richness up to 3-4 on an CO sensor.
I've got one and like it, reduces engine compartment heat and improved my top end.

SWoolley 12-06-2011 05:37 PM
Did the Bursch improve your lower end torque at all?


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