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      03-18-2019, 04:34 PM   #1
darkbmw
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E92 m3 headers x pipe

Bought a set of american racing headers and xpipe, going to spend some money at the dyno. I am going to compare it against an active and gintani x pipe which i have laying around.
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      03-19-2019, 06:36 AM   #2
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Quote:
Originally Posted by darkbmw View Post
Bought a set of american racing headers and xpipe, going to spend some money at the dyno. I am going to compare it against an active and gintani x pipe which i have laying around.
Nice to see what kind of difference the headers will make. I assume all the X-pipes are catless?
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      03-19-2019, 05:09 PM   #3
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Originally Posted by 8500RPM View Post
Nice to see what kind of difference the headers will make. I assume all the X-pipes are catless?
Ya, gintani is suppose to make the most on the market,
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      03-20-2019, 05:41 PM   #4
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interested.
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      03-20-2019, 08:42 PM   #5
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Epic, who is out of Florida can do you a solid on the tune. I have there tune running bimmerworld long tubes and x pipe with corsa axle back. It pulls hard. The xtra trq and hp the LT's bring is awesome. These cars are so heavy that extra power is welcomed.
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      03-26-2019, 01:39 PM   #6
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Quote:
Originally Posted by aboutsize14 View Post
Epic, who is out of Florida can do you a solid on the tune. I have there tune running bimmerworld long tubes and x pipe with corsa axle back. It pulls hard. The xtra trq and hp the LT's bring is awesome. These cars are so heavy that extra power is welcomed.
What did those headers do for the sound in your opinion? More Euro-exotic, or more muscle car-roar?
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      03-26-2019, 07:47 PM   #7
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I would say the Bimmerworld headers/x pipe and corsa alxle back is more euro-exotic. Sounds amazing.
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      03-27-2019, 12:43 PM   #8
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Quote:
Originally Posted by aboutsize14 View Post
I would say the Bimmerworld headers/x pipe and corsa alxle back is more euro-exotic. Sounds amazing.
Can you send a video of you set up? Would love to hear your combination. That's the sound I'm looking for.
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      03-28-2019, 08:48 AM   #9
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Originally Posted by BimmerPaul View Post
Can you send a video of you set up? Would love to hear your combination. That's the sound I'm looking for.
Ditto! Please and thank you!
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      04-11-2019, 12:10 PM   #10
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      04-11-2019, 12:19 PM   #11
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Again, another ARH dyno thread that turns into vaporware.

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      04-11-2019, 01:09 PM   #12
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Arh headers

Waiting on the shop to finish the ceramic coating on the new headers going to try and dyno the gintani x pipe tommrow. I know the headers make power, this is the second set i have bought. I dynoed the last time with my old m3 made 376 whp on a mustang down at active autowerks
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      04-11-2019, 01:16 PM   #13
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Quote:
Originally Posted by darkbmw View Post
Waiting on the shop to finish the ceramic coating on the new headers going to try and dyno the gintani x pipe tommrow. I know the headers make power, this is the second set i have bought. I dynoed the last time with my old m3 made 376 whp on a mustang down at active autowerks
I really look forward to seeing a before and after dyno that shows 40whp without tuning. Or was it 60whp? I don't remember
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      04-11-2019, 01:23 PM   #14
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The hate on these headers is still strong.

Yet there was only one person who’s ever had them and posted an issue. Everyone else has been happy.
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      04-15-2019, 05:24 PM   #15
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I would like to know if there's real horsepower gains. I've read and been told that OEM headers are already perfected. It's a lot of money if it's only minimal amount of gains if any. And I'm talking about the headers alone without it being disguised.
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      04-16-2019, 11:34 PM   #16
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Quote:
Originally Posted by BimmerPaul View Post
I would like to know if there's real horsepower gains. I've read and been told that OEM headers are already perfected. It's a lot of money if it's only minimal amount of gains if any. And I'm talking about the headers alone without it being disguised.
Also very interested.
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      04-17-2019, 11:39 AM   #17
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Should be dyno this week or next
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      05-24-2019, 10:43 AM   #18
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Any updates?
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      05-25-2019, 06:59 AM   #19
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i have been busy, will try and book the dyno in the next couple weeks
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      06-03-2019, 12:17 AM   #20
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Quote:
Originally Posted by BimmerPaul View Post
I would like to know if there's real horsepower gains. I've read and been told that OEM headers are already perfected. It's a lot of money if it's only minimal amount of gains if any. And I'm talking about the headers alone without it being disguised.
that's what I heard as well. So interested see what the dyno results are gonna be.
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      06-03-2019, 06:52 PM   #21
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dyno results

The mods on my car prior were
AA filter
AA tune
AA muffler
Gintani cattless xpipe. we all know the gintani has proven gains.

car dyno 352 whp and 272 tq.
the out side temp was 94 degrees and 38 percent humidity.

the mods on the car now are
AA filter
AA muffler
AA tune
American racing headers
American racing catted x pipe.

car dyno 361 whp and 278 tq.

The weather was 99.5 degrees and 39 percent humidity.

so to sum it up the car made more power with the outside temp, hotter, more humidity, and now with a cated x pipe. bellow is the dyno sheet.

car is dct
both dyno were in 4th gear
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      06-03-2019, 09:22 PM   #22
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Thanks for the dyno and your time on this. 6% higher temps is a factor that needs to be taken into account but still not worth the trouble for a stock displacement N/A motor imo.
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