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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Exhaust fireballs

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      01-10-2019, 11:29 PM   #1
f90_FTW
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How do people get those little fireballs to come out of their exhaust? I'm guessing it's something within the tune? Is it harmful to the car? My f10 had every damn mod in the book and it never did it. I was pushing 680 to the wheels. How's it done?
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      01-10-2019, 11:58 PM   #2
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Straight pipe all the way through. The shorter the pipe the more flame you'll see.
So, in front engine case, throw the tip pipe from turbo to the side behind the front tire.
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      01-11-2019, 12:06 AM   #3
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Quote:
Originally Posted by r33_RGSport View Post
Straight pipe all the way through. The shorter the pipe the more flame you'll see.
So, in front engine case, throw the tip pipe from turbo to the side behind the front tire.
How is it achieved with the cars with the back bumper tips? My f10 was straight piped. Never did it. Now my f90 is about to be straight piped.
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      01-11-2019, 12:21 AM   #4
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Quote:
Originally Posted by f90_FTW View Post
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Originally Posted by r33_RGSport View Post
Straight pipe all the way through. The shorter the pipe the more flame you'll see.
So, in front engine case, throw the tip pipe from turbo to the side behind the front tire.
How is it achieved with the cars with the back bumper tips? My f10 was straight piped. Never did it. Now my f90 is about to be straight piped.
Piping is too long, the flame is out by the time it gets halfway.

Rear engine car is easier to get flame out. Hence so many burned Lamborghini.
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      01-11-2019, 12:29 AM   #5
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Quote:
Originally Posted by r33_RGSport View Post
Quote:
Originally Posted by f90_FTW View Post
Quote:
Originally Posted by r33_RGSport View Post
Straight pipe all the way through. The shorter the pipe the more flame you'll see.
So, in front engine case, throw the tip pipe from turbo to the side behind the front tire.
How is it achieved with the cars with the back bumper tips? My f10 was straight piped. Never did it. Now my f90 is about to be straight piped.
Piping is too long, the flame is out by the time it gets halfway.

Rear engine car is easier to get flame out. Hence so many burned Lamborghini.
I've seen many videos of f10's doing it. Also many m4's as well. There's a way. Just not sure how. Has to be something regarding the tune. And perhaps race gas?
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      01-11-2019, 05:09 AM   #6
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Quote:
Originally Posted by f90_FTW View Post
Quote:
Originally Posted by r33_RGSport View Post
Quote:
Originally Posted by f90_FTW View Post
Quote:
Originally Posted by r33_RGSport View Post
Straight pipe all the way through. The shorter the pipe the more flame you'll see.
So, in front engine case, throw the tip pipe from turbo to the side behind the front tire.
How is it achieved with the cars with the back bumper tips? My f10 was straight piped. Never did it. Now my f90 is about to be straight piped.
Piping is too long, the flame is out by the time it gets halfway.

Rear engine car is easier to get flame out. Hence so many burned Lamborghini.
I've seen many videos of f10's doing it. Also many m4's as well. There's a way. Just not sure how. Has to be something regarding the tune. And perhaps race gas?
Secret is you got to heat the exhaust up.
A lots off raving, I mean A LOT.
They will come
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      01-17-2019, 08:37 AM   #7
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Try a two-step system for the flames?
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