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      12-24-2018, 09:53 PM   #1
RagtagXMASTER
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F12 M6 Fi Exhaust Review

So after searching the forums for anything relating to Fi Exhaust while looking for exhaust options on my M6 i found pretty much nothing. Found a lot of results for eisman and Meisterschaft, but nothing on Fi.

This exhaust is valvetronic, so it has the option of having the valves closed for quieter sound and then open valves to add some extra noise. The valves are actuated by vacuum, so you can either let your OE vacuum lines plug into them to retain your oem valve function, or T off your brake booster and install the extras that come with the exhaust.

My exhaust was the full catback with bluetooth app control and module, and carbon fiber tips. That also includes a small air tank for vacuum and also a nice little remote as well to control the valves.

I went with this exhaust since i never heard of them and figured i would give them a shot and throw a review out. Honestly it sounds pretty good and i really enjoy the cracks once you get up into the rev range. In my opinion it's not loud enough to me, so for me to remedy that i will be going catless downpipes. So here are some pics of the install and some sound clips.

I have compared this to an akrapovic exhaust and i think the Fi sounds better. and coming from a non comp exhaust its far superior to that as well. The craziest thing about this exhaust though is when you close the valves. It goes into hybrid mode. I swear that Prius is louder when the valves are closed, so you don't wake your neighbors up at 5AM going into work

The App works pretty well from my phone and lets me set the valves to open or closed or to open/ close at certain RPMs, boost pressure, or speed. it also has a nice little DTC mode so you can scan for simple codes and clear them if you want. nice little thing to have but not really necessary.

https://www.youtube.com/watch?v=uIzfCDh2-Wg

https://www.youtube.com/watch?v=5a6MVHugmFs
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      12-25-2018, 03:22 AM   #2
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so this sound with catless dp or?

sound nice but still i will go with full Gthaus exhaust
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M6 GC CP + AMS CATLESS DP + MSR INTAKE + BM3 HCP STAGE 2 =
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      12-25-2018, 09:03 AM   #3
RagtagXMASTER
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This is with stock cats and valves open. Sorry if i made that confusing.
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      12-25-2018, 01:49 PM   #4
aann
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Quote:
Originally Posted by RagtagXMASTER View Post
So after searching the forums for anything relating to Fi Exhaust while looking for exhaust options on my M6 i found pretty much nothing. Found a lot of results for eisman and Meisterschaft, but nothing on Fi.

This exhaust is valvetronic, so it has the option of having the valves closed for quieter sound and then open valves to add some extra noise. The valves are actuated by vacuum, so you can either let your OE vacuum lines plug into them to retain your oem valve function, or T off your brake booster and install the extras that come with the exhaust.

My exhaust was the full catback with bluetooth app control and module, and carbon fiber tips. That also includes a small air tank for vacuum and also a nice little remote as well to control the valves.

I went with this exhaust since i never heard of them and figured i would give them a shot and throw a review out. Honestly it sounds pretty good and i really enjoy the cracks once you get up into the rev range. In my opinion it's not loud enough to me, so for me to remedy that i will be going catless downpipes. So here are some pics of the install and some sound clips.

I have compared this to an akrapovic exhaust and i think the Fi sounds better. and coming from a non comp exhaust its far superior to that as well. The craziest thing about this exhaust though is when you close the valves. It goes into hybrid mode. I swear that Prius is louder when the valves are closed, so you don't wake your neighbors up at 5AM going into work

The App works pretty well from my phone and lets me set the valves to open or closed or to open/ close at certain RPMs, boost pressure, or speed. it also has a nice little DTC mode so you can scan for simple codes and clear them if you want. nice little thing to have but not really necessary.

https://www.youtube.com/watch?v=uIzfCDh2-Wg

https://www.youtube.com/watch?v=5a6MVHugmFs
Sound Amazing , deep and clean pretty close to the akrapovic , but the thing with the akrapovic that it has Zero drone , and its peice of art , cant tell about the fi but i think its gonna drone , anyway Congrats for the new exhuast and keep updating us about the ride if it has any drone .
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      12-25-2018, 08:43 PM   #5
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I consider it to be droning at about 2k but some passengers really like that sound when cruising. I really am not doing it justice because i even like it. I had a b5 a4 that droned horribly and this is nothing like that its pretty nice. I will try to capture it on video if i can
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      12-27-2018, 02:54 PM   #6
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Sounds & looks damn good my man. Any chance of drive/fly by clips? This exhaust paired with catless DP's is going to make for an amazing tone!
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      12-30-2018, 02:24 PM   #7
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Quote:
Originally Posted by Flo1989 View Post
Sounds & looks damn good my man. Any chance of drive/fly by clips? This exhaust paired with catless DP's is going to make for an amazing tone!
I will get some fly by clips once its not so cold outside lol. right now the car has been put away for the winter
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      12-31-2018, 05:15 PM   #8
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This is an amazing exhaust that many people don't know about. I like it much better than Gthaus and you don't have to deal with 5 + month wait time from them either. If anyone is interested send me a PM and I will hook you up.
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      01-10-2019, 06:39 PM   #9
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I have one on mine as well got No.015 the exhaust sounds great. I was running catless for a while and the sound is insane!! Thunderclaps galore! Highly recommend the exhaust and the carbon fiber tips are worth it.
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      01-16-2019, 02:16 PM   #10
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So i decided to throw on my set of xs power catless downpipes. Review of those is coming but i figured id give a quick opinion about them through the FI Exhaust and link a few yourube sound clips.

Cold start with valves open


Valves open revving


Valves closed revving


This thing is incredibly loud with no cats at cold start. Very aggressive. With valves closed it does go into sounding like a prius either it gets really nice and deep sounding. I will still try to get fly bys when i can. With the top up and down.
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      01-16-2019, 11:04 PM   #11
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Sounds Really good ! I think you had the car in efficient too when you revved with the valves open , can you do another vid with the valves open in sport plus so we can hear it rev with the pops too 😁
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      01-17-2019, 07:13 AM   #12
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I did have it in effecient. I will get one in sport+ mode next
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