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      05-30-2019, 05:57 PM   #1
Xx__xs
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catless downpipes with competition mufflers videos?

anyone here running that specific setup?

im catless with stock mufflers and it is like a 4/10 on the loudness scale. how much louder is the competition mufflers paired up with catless downpipes?
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      05-30-2019, 07:01 PM   #2
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Originally Posted by Xx__xs View Post
anyone here running that specific setup?

im catless with stock mufflers and it is like a 4/10 on the loudness scale. how much louder is the competition mufflers paired up with catless downpipes?
Good timing, we just did Catless Downpipes in my Buddies 2016 Gran Coupe with Competition Package.

https://vimeo.com/339449641?ref=em-share
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      05-30-2019, 08:08 PM   #3
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Originally Posted by KrazyKorean View Post
Good timing, we just did Catless Downpipes in my Buddies 2016 Gran Coupe with Competition Package.

https://vimeo.com/339449641?ref=em-share
cool, thanks. hey by any chance do you know what the actual difference is between stock muffler and competition muffler? like physical differences
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      05-30-2019, 09:39 PM   #4
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Originally Posted by Xx__xs View Post
cool, thanks. hey by any chance do you know what the actual difference is between stock muffler and competition muffler? like physical differences
Nope. But from what I read comp exhaust don’t have resonators. So you can do that to yours and do a resonator delete and it will enhance the sound. I am doing that next since I have the stock exhaust.
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      05-31-2019, 12:58 AM   #5
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Originally Posted by KrazyKorean View Post
Nope. But from what I read comp exhaust don’t have resonators. So you can do that to yours and do a resonator delete and it will enhance the sound. I am doing that next since I have the stock exhaust.
wait. okay so the comp pack cars dont have resonators.

but the mufflers are the same? so if i buy a comp muffler and put it on my car all that will change is the tips will be black? no sound change?

Last edited by Xx__xs; 05-31-2019 at 01:07 AM..
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      05-31-2019, 01:45 PM   #6
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OP, just wire the flaps open. i don't have a video but i'm running catless DPs with stock mufflers/flaps open, and the sound difference is noticeable.
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      05-31-2019, 02:20 PM   #7
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I have catless DPs and these. F'ing Wicked !

https://www.turnermotorsport.com/p-3...fflers/?pdk=DQ
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      05-31-2019, 06:04 PM   #8
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Originally Posted by phan View Post
OP, just wire the flaps open. i don't have a video but i'm running catless DPs with stock mufflers/flaps open, and the sound difference is noticeable.
my flaps are toggled open through the bimmercode app. so its already always open.
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      05-31-2019, 06:09 PM   #9
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Originally Posted by JohnLM6` View Post
I have catless DPs and these. F'ing Wicked !

https://www.turnermotorsport.com/p-3...fflers/?pdk=DQ
too expensive man. and also probably too loud. im thinking of maybe deleting my resonators.
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