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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Sport cat sound

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      10-05-2017, 06:18 PM   #1
six-n-twins53
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Sport cat sound

Have a dinan cat back with a res delete. Sound is still pretty quiet IMO. I have a fabspeed 200cel on the way. I keep reading about it being significantly louder/better sounding. Does it really make that big of a difference?
FYI my frame of reference is a little distorted. My last car was an M5 with muffler delete.
Thanks
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      10-05-2017, 06:24 PM   #2
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Yes, significantly louder/obnoxious/ground shaking/attention grabbing.
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      10-05-2017, 07:55 PM   #3
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Cool. I was hoping for a bit more aural presence
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      10-05-2017, 09:16 PM   #4
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Quote:
Originally Posted by six-n-twins53 View Post
Have a dinan cat back with a res delete. Sound is still pretty quiet IMO. I have a fabspeed 200cel on the way. I keep reading about it being significantly louder/better sounding. Does it really make that big of a difference?
FYI my frame of reference is a little distorted. My last car was an M5 with muffler delete.
Thanks
Sport Cat + Dinan Resonator Delete + Dinan Free Flow Exhaust.. it will sound loud.. in a good way..

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      10-06-2017, 01:01 PM   #5
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I made a video of my M2 with the 300 cell HJS sport cat and the OEM exhaust:

https://youtu.be/v2fODfrEvI8
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      10-06-2017, 02:47 PM   #6
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great music and you can hear the turbo wind up, love mine.
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      10-06-2017, 04:00 PM   #7
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Added a Fabspeed sport cat yesterday. Standard exhaust but added black AA tips.

It's perfect, car sounds great. Deep tone, more volume and the crackles..

Along with modest performance gains it is such a great addition.
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      10-07-2017, 07:13 PM   #8
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I feel like the Fabspeed sport cat increased the decibels (and tone) on my stock exhaust system by 15%....and significant boost in full RPM range power...seems the combo of the Dinantronics Stage 1 and the Fabspeed sport cat is a potent one.
I'll wait for the full Stage 4 til next year...I am satiated, for now....next will be the Ohlin R&T coilovers....
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      10-07-2017, 10:09 PM   #9
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Lots of pops and crackles and a decent amount of turbo whistle too music to my ears I love it
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      10-08-2017, 02:14 PM   #10
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Quote:
Originally Posted by chris.praeger View Post
I made a video of my M2 with the 300 cell HJS sport cat and the OEM exhaust:

https://youtu.be/v2fODfrEvI8
Hey Chris,
Where did you source the 300cel downpipe? And do you have any input regarding power increase? I'm leaning towards the same setup
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      10-09-2017, 02:53 PM   #11
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Thank you everyone for the kind words about our Sport Cat! Our Sport Cat will definitely give you some more sound towards your current setup but nothing overbearing. When in Sport/Sport+ mode you will get more snap, crackles, and pops. It is perfect for daily driving.
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      10-11-2017, 02:30 AM   #12
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Quote:
Originally Posted by Saanen View Post
I feel like the Fabspeed sport cat increased the decibels (and tone) on my stock exhaust system by 15%....and significant boost in full RPM range power...seems the combo of the Dinantronics Stage 1 and the Fabspeed sport cat is a potent one.
I'll wait for the full Stage 4 til next year...I am satiated, for now....next will be the Ohlin R&T coilovers....
Ah now there's a useful quantifiable comment. Thanks !
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