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FEELER THREAD: RPi GT Exhaust for 535i

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Old 03-11-2009, 02:51 PM
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interested to see the gains. will this still be CA legal, cats etc?
Old 03-11-2009, 02:58 PM
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Originally Posted by dbae1978' post='813780' date='Mar 11 2009, 02:17 PM
LEt's get a list going for anybody who's interested in the RPi GT Exhaust:

1. dbae1978
2. Flopper1988
3.
4.
5.
6.
Old 03-11-2009, 03:13 PM
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count me in
Old 03-12-2009, 06:59 PM
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LEt's get a list going for anybody who's interested in the RPi GT Exhaust:

1. dbae1978
2. Flopper1988
3. wm535xi
4.
5.

Let's do it, finally!
Old 03-12-2009, 08:42 PM
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Looks like we've got some interest so far....finally we've got some quality parts, that produce major HP for our cars.
Please put your name on the list if you are interested in the RPI 535i GT Exhaust

ROLL CALL:

1. dbae1978
2. Flopper1988
3. wm535xi
4. ynotty
5.
6.
7.
8.
9.
10.
Old 03-13-2009, 10:17 AM
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Originally Posted by mottati' post='814081' date='Mar 11 2009, 03:51 PM
interested to see the gains. will this still be CA legal, cats etc?
I just spoke with Eloy @ RPI and according to him the only way to get approved for legal cats in california is to test the product for 80,000k miles.
it's very costly to put aftermarket cats for any car, i believe it cost upwards of 2k for our cars. I'll let Eloy elaborate more on this subject though.
Old 03-13-2009, 11:48 AM
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Originally Posted by dbae1978' post='815878' date='Mar 13 2009, 11:17 AM
I just spoke with Eloy @ RPI and according to him the only way to get approved for legal cats in california is to test the product for 80,000k miles.
it's very costly to put aftermarket cats for any car, i believe it cost upwards of 2k for our cars. I'll let Eloy elaborate more on this subject though.
That huge testing time & expense is just on the manufacturer end... for the installer and customer, even if they're looking to put on a tested, legal, OE replacement, it's still only legal if the OE catalytic converter warranty has already expired.

That's 8 years or 80k miles for BMW.

http://www.bar.ca.gov/80_BARResources/ftp/...SC-summer08.pdf
Old 03-13-2009, 03:38 PM
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That's right, I remember Eloy saying there aren't any aftermarket catalytic converters....
i tried to get a used set at a junkyard for my previous car and they weren't allowed to even sell them to me.

Correct me if I'm wrong Gabe, I was told the 535i only had cats at the down pipes and doeesn't have secondary catalytic converters like the other e60 models. I think the 535 has dual resonators in the section twos and the
resonator box by section three.
Old 03-13-2009, 06:29 PM
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Please, please introduce a decent exhaust for this car. I'm in.

ROLL CALL:

1. dbae1978
2. Flopper1988
3. wm535xi
4. ynotty
5. bkswede
6.
7.
8.
9.
10.
Old 03-13-2009, 06:42 PM
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Originally Posted by dbae1978' post='813359' date='Mar 11 2009, 01:19 AM
I believe there is one company that claims their 335 dps fit on 535s but there hasn't been any confirmation.
I'm sure eventually there will be some available.....I'm crossing my fingers
A member, sapphire 535i, stated in a thread a month or so ago that the company he works for, Asthetik Motorsports in Dallas, was working on catless downpipes for the 535i, which were to be released soon. Not sure if they are planning on building catted DPs as well. Maybe he will chime in and let us know if there are any updates on their DPs.


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