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SSI Exhaust Questions
All:
I have a 1981 911SC with a 3.0L, and it is a USA car.
I am about to take the plunge and replace my stock exhaust with SSIs and a dual inlet muffler.
Questions:
Is this the right part number: 91.915SSI-M124?
Do I need a thick flange or thin?
Our host says you can't get SSIs with an O2 sensor hole. My car has an O2 sensor. What do I do with it? Should I just remove it? What issues might that cause? If I get a muffler shop to put a fitting for the O2 sensor in, without the catalytic converter, will it cause issues?
The SSIs appear to have the heater hose attachments at the back of the car coming out at an angle. My stock set up has a straight-out connection and a separate right angle attachment. Will I have any fitment issues?
Many thanks for your help and advice.
If there is a thread out there on point, please direct me.
Greg
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