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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 03-16-2013, 11:36 PM   #1429
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Since i live i the pacific northwest i only have to deal with DEQ when renewing my license plate if you live in the metro area. So i am thinking two things. I can save my stock exhaust and just install it a couple of weeks before i have to deal with plates in a few years and do a ecu rest. Or i can re-register my car using my parents address that doesn't require that you have to pass DEQ.
Option 2 sounds the easiest.
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Old 03-17-2013, 01:52 AM   #1430
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On my last N/A car with two cats in the factory header, I used a defouler when I replaced the factory header with a single cat header. This was supposed to eliminate any CEL issues by moving the O2 sensor out of the direct path of exhaust flow. It was essentially a little 45 degree bung that came off of the O2 sensor hole. As far as people wanting to keep the air clean, or dealing with emissions like the factory header would, those are whole other issues.
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Old 03-17-2013, 07:07 PM   #1431
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On my last N/A car with two cats in the factory header, I used a defouler when I replaced the factory header with a single cat header. This was supposed to eliminate any CEL issues by moving the O2 sensor out of the direct path of exhaust flow. It was essentially a little 45 degree bung that came off of the O2 sensor hole. As far as people wanting to keep the air clean, or dealing with emissions like the factory header would, those are whole other issues.
I ran a defouler on both my WRX's when i switched to catless down pipes. Albeit my first WRX did not have a tune right away but still did not throw a CEL Second was tuned on day one so no CEL anyhow. Good way to go and you wont burn up your o2 sensor.
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Old 03-17-2013, 07:50 PM   #1432
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It'd be nice see a good catted header with a warranty on the cat. I'm not willing to eliminate either cat, as much as I like the gains on the catless header. I'm sure theres others on here who feel the same.
That's why I left a cat in the over/downpipe, so I can get rid of that huge one in the header.
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Old 03-18-2013, 11:10 AM   #1433
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This thread will be 9 months old tomorrow. Any chance these will be available by Xmas?
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Old 03-18-2013, 11:37 AM   #1434
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i've given up. going my own route with the header. summer is around the corner, dont feel like waiting anymore. i think its been long enough.
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Old 03-18-2013, 01:27 PM   #1435
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I'm continuing to wait. This is the only header worth it for this car currently. P&L follows closely behind this in performance, but this one still wins. I understand it has been a long time, but why rush something? The car has only been out for a year, barely.
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Old 03-18-2013, 01:53 PM   #1436
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I'm curious to see a dyno with this header and a tune. It makes impressive power by itself, but it seems that a tune grabs most of the capable HP of these cars (minus the obvious gain in the torque dip from the header).
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Old 03-18-2013, 01:56 PM   #1437
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Quote:
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I'm curious to see a dyno with this header and a tune. It makes impressive power by itself, but it seems that a tune grabs most of the capable HP of these cars (minus the obvious gain in the torque dip from the header).
The header test in the previous dyno charts was tuned with a 3" full exhaust.
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Old 03-18-2013, 02:00 PM   #1438
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The header test in the previous dyno charts was tuned with a 3" full exhaust.
was it running an ecutek tune though? I just looked on the first post and only see a full exhaust being dynoed along side the header. Maybe I missed something, i'll go back and check lol
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Old 03-18-2013, 02:21 PM   #1439
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was it running an ecutek tune though? I just looked on the first post and only see a full exhaust being dynoed along side the header. Maybe I missed something, i'll go back and check lol
AFAIK they have an ecutek tuner license, and the tunes were done by their in house guy.
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Old 03-18-2013, 02:26 PM   #1440
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AFAIK they have an ecutek tuner license, and the tunes were done by their in house guy.
English Racing.
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Old 03-18-2013, 02:32 PM   #1441
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They should rename the header the "unicorn" header, the mythical header that gives 46hp but nobody can see it.
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Old 03-18-2013, 02:39 PM   #1442
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They should rename the header the "unicorn" header, the mythical header that gives 46hp but nobody can see it.
This is constructive.

One sec, lemme PM @Jason@Nameless and ask him to update this thread with whatever the status is. They support a rally team and this has caused them to put a hold on R&D in the past. This doesn't mean they aren't committed to providing us with top-notch parts.
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