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      01-04-2025, 02:39 PM   #1
Hammer110!
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Mid West Bimmer Cat Back Exhaust.?

Does anyone have any experience or info on these guys and their cat back exhaust systems? I know it probably too early for G90 but F90 guys may have used this? Pricing is extremely reasonable compared to the Valvetronic offering and/or GTHaus Miesterschaft systems.
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      01-04-2025, 04:43 PM   #2
ctelimad
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Originally Posted by Hammer110! View Post
Does anyone have any experience or info on these guys and their cat back exhaust systems? I know it probably too early for G90 but F90 guys may have used this? Pricing is extremely reasonable compared to the Valvetronic offering and/or GTHaus Miesterschaft systems.
I saw this one and i could not find any info about this company and no reviews
I was scared to pull the trigger lol
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      01-04-2025, 08:09 PM   #3
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Their return refund policy is very restrictive as well if your read the T&C’s. A it more clamps than the other systems too but also less than half the cost. I’ll inquire on F90 forums. Disappointed they don’t have the MPE option for port installation I have on my F90 it’s a game changer
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      01-04-2025, 09:01 PM   #4
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Originally Posted by Hammer110! View Post
Their return refund policy is very restrictive as well if your read the T&C’s. A it more clamps than the other systems too but also less than half the cost. I’ll inquire on F90 forums. Disappointed they don’t have the MPE option for port installation I have on my F90 it’s a game changer
Yes saw this and it is a red flag
This car has 2 resonators!
I am thinking removing one and see what happens
Althpugh i also have catless dp at home that i bought
Maube do both
I am lost what to do
I may have to wait for a midpioe option from mmad or dinan or other brands
The ome from supersprint is overpriced for a straight pipe (2k+)
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      01-04-2025, 09:22 PM   #5
Hammer110!
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Originally Posted by ctelimad View Post
Yes saw this and it is a red flag
This car has 2 resonators!
I am thinking removing one and see what happens
Althpugh i also have catless dp at home that i bought
Maube do both
I am lost what to do
I may have to wait for a midpioe option from mmad or dinan or other brands
The ome from supersprint is overpriced for a straight pipe (2k+)
Yeah I’m leasing so limited on changes for sure which is why no port installed MPE sucks for warranty and also lease residual value payed on the mod.

Their is the vavetronic system which looks good at 5K and the GTHaus system is also looking like it will be that rice range.
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      01-05-2025, 02:02 PM   #6
Hammer110!
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The more I look at this the more it looks like cheap Chinese exhaust off of Ali Express etc. I’m sure it works, read a review that fitment was ok not great but can’t see putting that on a 140K car. I’ll wait for MAD to make something or consider valvetronic,as both are domestic
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      01-05-2025, 04:32 PM   #7
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Quote:
Originally Posted by Hammer110! View Post
The more I look at this the more it looks like cheap Chinese exhaust off of Ali Express etc. I’m sure it works, read a review that fitment was ok not great but can’t see putting that on a 140K car. I’ll wait for MAD to make something or consider valvetronic,as both are domestic
I will remove the mid resonator and put straight pipe instead
Will keep one other resonator and the mufler
It should sound good and no crazy loud
I checked European versions and they don't have this resonator and they have opf instead
So basically safe to remove it and this how it should have came from factory for usa models
This is the first time and extra resonator is present for usa models to replace the opf
It is usually straight pipes instead of opf
Now it makes sense why European models sound better then usa lol

Last edited by ctelimad; 01-05-2025 at 05:17 PM..
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      01-05-2025, 09:47 PM   #8
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Interesting take and also a mod that lease inspection service pre turn in would not notice IMO? How are you attempting to do this? Wait for an aftermarket solution or use an exhaust shop to cut and replace
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      01-06-2025, 06:30 AM   #9
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Quote:
Originally Posted by Hammer110! View Post
Interesting take and also a mod that lease inspection service pre turn in would not notice IMO? How are you attempting to do this? Wait for an aftermarket solution or use an exhaust shop to cut and replace
I am going to a shop and cut it unless someone comes with a solution in the next few months
Cheap and reversible
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