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Join Date: May 2004
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911s performance exhaust

I'm in the process of upgrading the exhaust on a 77 911s california car.. I'm thinking of going with the ssi exchangers. For performance and sound what is the hot setup for that car. the rest of the engine will be stock.

I'm aware of the performance gain using ssi, but can I use the stock muffler?? Whats a good value on a performance muffler, and what is the best muffler?? Would appreciate any and all opinions.

thanks
zach

Old 06-02-2004, 02:27 PM
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I have a 1977 2.7L 911s, have you figured out the whole thin flange/thick flange thing?

I have a dent right where a dual out would go, might fill the dent or cut it out- depends on the muffler choice.
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Old 06-02-2004, 02:38 PM
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start searching the boards son
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Old 06-02-2004, 02:58 PM
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what is the flange issue??
Old 06-02-2004, 02:59 PM
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have you thought about what to do for smog in california? the ssi's do not allow the use of the air injectors. even if you had tail pipe emissions that are clean enough, the car would fail visual because of missing equipment
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Old 06-02-2004, 05:26 PM
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Quote:
Originally posted by 911schary
what is the flange issue??
MichiganMatt says; do a search son.

I have a whole folder full of print-outs on the topic and it's still a river full of curves to me.

California?

Are the 1977 vintage so old that they are exempt from smog regulations?
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1977 911S Targa 2.7L (CIS) Silver/Black
1998 Chevy S-10 4x4 Pick-Up Truck, Razzle Dazzle Camo
1989 modified Scat II HP Hovercraft
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Old 06-03-2004, 06:56 AM
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75 is the youngest for smog exemption right now in CA but the legislation is being changed up so 76 will probably be the last year and won't be legal until Jan1st 2005.
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Old 06-03-2004, 08:16 AM
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You'll need a dual inlet muffler (your stock muffler has a single inlet) and a new oil line to install the SSI's

Jerry Kroeger
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Old 06-03-2004, 08:22 AM
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Quote:
Originally posted by SC-targa
You'll need a dual inlet muffler (your stock muffler has a single inlet) and a new oil line to install the SSI's

Jerry Kroeger
I thought that I would have to do them at the same time. Now I know exactly why- Cheers.

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1977 911S Targa 2.7L (CIS) Silver/Black
1998 Chevy S-10 4x4 Pick-Up Truck, Razzle Dazzle Camo
1989 modified Scat II HP Hovercraft
George, Architect
Old 06-03-2004, 08:26 AM
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