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      11-12-2019, 10:36 AM   #177
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Finally installed full turbo back @GTHaus @Meisterschaft GT2 exhaust. What a beauty! Thanks to the guys at @kasselperformance @coyneperformance in York, PA for the install - super knowledgeable guys. Full review to come!

Check out my insta for sneak peak of the sound clip via my story @blzkrig_m2c

**update short little video of process added



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      11-12-2019, 11:05 AM   #178
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Quote:
Originally Posted by waldrops View Post
Can anyone give me a yay or nay on the AFE for M2C? Its half the price of the rest and I'm about ready to pull the trigger. Any reason it doesn't have any hype?
I'm also interested in the AFE. The single mid, and low price point are why I want it, but it's hard to find any videos of it. The 3" center section turns most people away from it, but it doesn't mean it's not a good exhaust.
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      11-20-2019, 03:56 AM   #179
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yakuza

someone please explain to me this guy going all out Yakuza on his car to replace downpipes

https://www.youtube.com/watch?v=NuC6aNtA_ZE
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      11-30-2019, 07:35 AM   #180
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Quote:
Originally Posted by Talx View Post
someone please explain to me this guy going all out Yakuza on his car to replace downpipes

https://www.youtube.com/watch?v=NuC6aNtA_ZE
Explain what?
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      12-03-2019, 03:20 AM   #181
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dropping the steering rack and detaching the motor and lifting it.
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      12-03-2019, 02:53 PM   #182
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Originally Posted by Talx View Post
dropping the steering rack and detaching the motor and lifting it.
just for clearance to make more room in order to change the downpipes. i did it withour dropping enything or disconnecting other parts. i saw he didn't remove the 02 sensor with the downpipes...well this is not a very good boy..twist the sensors...my god.
I replaced the downpipes and it took me a while , like 4 hours. the video is coming.

this is the sound with just the carback and the opf remove.
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      12-03-2019, 02:57 PM   #183
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Originally Posted by Big Fabri View Post
Quote:
Originally Posted by Talx View Post
dropping the steering rack and detaching the motor and lifting it.
just for clearance to make more room in order to change the downpipes. i did it withour dropping enything or disconnecting other parts. i saw he didn't remove the 02 sensor with the downpipes...well this is not a very good boy..twist the sensors...my god.
I replaced the downpipes and it took me a while , like 4 hours. the video is coming.

this is the sound with just the carback and the opf remove.
Yes but it's not needed, he also disconnected the motor and lifted it with a brace, completely overkill.
How are you dealing with the OPF delete and codes/limp mode?
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      12-03-2019, 02:59 PM   #184
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Originally Posted by Talx View Post
Yes but it's not needed, he also disconnected the motor and lifted it with a brace, completely overkill.
How are you dealing with the OPF delete and codes/limp mode?
it's not needed, in fact i didn't do that

no problem with opf remove because i tuned the car
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      12-20-2019, 06:32 AM   #185
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People still interested in an Akra group buy? I have some contacts with Akra, if we have people seriously interested I can ask my friend once we know the exact number of people.

And on an other note, is there an exhaust system that doesn't have the crackles? Maybe I am too old school or just plain old but I really don't like the obnoxious sound of the crackles.
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      12-20-2019, 07:00 AM   #186
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Quote:
Originally Posted by iBrakeLate View Post
People still interested in an Akra group buy? I have some contacts with Akra, if we have people seriously interested I can ask my friend once we know the exact number of people.

And on an other note, is there an exhaust system that doesn't have the crackles? Maybe I am too old school or just plain old but I really don't like the obnoxious sound of the crackles.
It's not the exhaust that produces the crackles and pops but instead the engine tune that squirts some fuel in to the cylinder on the cylinder's exhaust cycle. This unburnt fuel hits the hot exhaust gases and then ignites. I like the brrrp on the overrun when shifting gears on hard acceleration but I've grown to hate the crackles and pops on deceleration.
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      12-20-2019, 07:18 AM   #187
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Originally Posted by Cannondale900 View Post
It's not the exhaust that produces the crackles and pops but instead the engine tune that squirts some fuel in to the cylinder on the cylinder's exhaust cycle. This unburnt fuel hits the hot exhaust gases and then ignites. I like the brrrp on the overrun when shifting gears on hard acceleration but I've grown to hate the crackles and pops on deceleration.
Most of the exhausts seem to makes the crackles louder. I just got the car yesterday, but I can't imagine the car crackling like that with the stock exhaust? Most of these aftermarket systems do not have resonators or center mufflers, I assume that is what keeps the stock system crackle free ?
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      12-20-2019, 07:21 AM   #188
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Quote:
Originally Posted by iBrakeLate View Post
Quote:
Originally Posted by Cannondale900 View Post
It's not the exhaust that produces the crackles and pops but instead the engine tune that squirts some fuel in to the cylinder on the cylinder's exhaust cycle. This unburnt fuel hits the hot exhaust gases and then ignites. I like the brrrp on the overrun when shifting gears on hard acceleration but I've grown to hate the crackles and pops on deceleration.
Most of the exhausts seem to makes the crackles louder. I just got the car yesterday, but I can't imagine the car crackling like that with the stock exhaust? Most of these aftermarket systems do not have resonators or center mufflers, I assume that is what keeps the stock system crackle free ?
Put it in Sport+ and you should get crackles and pops. I agree aftermarket and M Performance exhaust make the entire exhaust louder, including crackles and pops.
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      12-20-2019, 07:43 AM   #189
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Quote:
Originally Posted by iBrakeLate View Post
People still interested in an Akra group buy? I have some contacts with Akra, if we have people seriously interested I can ask my friend once we know the exact number of people.

And on an other note, is there an exhaust system that doesn't have the crackles? Maybe I am too old school or just plain old but I really don't like the obnoxious sound of the crackles.
iBrakeLate I would be interested.
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      12-20-2019, 08:30 AM   #190
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Quote:
Originally Posted by iBrakeLate View Post
People still interested in an Akra group buy? I have some contacts with Akra, if we have people seriously interested I can ask my friend once we know the exact number of people.

And on an other note, is there an exhaust system that doesn't have the crackles? Maybe I am too old school or just plain old but I really don't like the obnoxious sound of the crackles.
I'm interested but it depends on the group buy discount
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      12-20-2019, 09:01 AM   #191
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Just waiting for Dinan, def the best looking I think
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      12-20-2019, 10:10 AM   #192
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I'll add my exhaust setup into the mix:
VRSF Downpipes, Active Autowerke Midpipe, OE Rear Muffler with two AeroTurbine TR252 Resonators

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575RWHP F87 M2C - ECUTEK RACEROM with flex fuel tuning by Bend Calibration
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      12-20-2019, 03:50 PM   #193
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Originally Posted by warrenw View Post
I'm interested but it depends on the group buy discount
Quote:
Originally Posted by Got f1? View Post
iBrakeLate I would be interested.
I think I should be able to organize something if we get 6 people, I would definitely be 1 as well.

Awaiting on pricing from my contact at Akra.
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      12-20-2019, 04:58 PM   #194
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Quote:
Originally Posted by Cannondale900 View Post
It's not the exhaust that produces the crackles and pops but instead the engine tune that squirts some fuel in to the cylinder on the cylinder's exhaust cycle. This unburnt fuel hits the hot exhaust gases and then ignites. I like the brrrp on the overrun when shifting gears on hard acceleration but I've grown to hate the crackles and pops on deceleration.
actually it is a combination of both. btw your are correct. the overun is mad by pulling timings and with a post injection.
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      01-13-2020, 05:56 PM   #195
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The guys who installed my exhaust made a sweet video


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      01-13-2020, 09:07 PM   #196
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holy shit.
how do you like it? that low rpm growl is meaan. i ordered mine on Christmas. i only ordered the cat-back though
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      01-14-2020, 08:59 AM   #197
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holy shit.
how do you like it? that low rpm growl is meaan. i ordered mine on Christmas. i only ordered the cat-back though
Love it bro! You going to really enjoy the exhaust note. Open her up all the way get rid of the cats
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      01-24-2020, 01:58 AM   #198
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Hi everyone. I'm taking delivery of my M2C next week and I couldn't have felt any more excited been researching the numerous threads on Bimmerpost past couple of months and came across this very interesting discussion.

Equal-length exhaust discussion: new S55 sounds https://f80.bimmerpost.com/forums/sh....php?t=1675268

Anyone here who has tried this on their M2C or has heard this on M3s and M4s and can provide any input on this setup for the M2C?
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