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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > GTHaus exhaust install Question
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      07-12-2020, 11:01 AM   #1
quick_335i
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GTHaus exhaust install Question

Found this exhaust I want to buy, comes with msport rear diffuser, Only problem is I donít have m sport bumpers so I donít think can fit this without changing bumpers?

Will the exhaust fit with my stock rear bumper?
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      07-12-2020, 12:17 PM   #2
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Dont think so... and it looks like that diffuser was cut beyond Msport to fit the quad tips? That is not how my Msport looks, the holes there are much wider.
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      10-16-2020, 10:46 PM   #3
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im having the same issue with my rear diffuser, standard diffuser for F32 just doesn't fit, were you able to find one that fits?
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      10-16-2020, 11:41 PM   #4
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If you have the non-m bumper than yes you'll need the M-sport bumper to fit that diffuser.

Also like mentioned above whoever cut that diffuser did a terrible job and I would not pay for that diffuser. But that's not the diffuser's fault, looks like this person bought the after market quad diffuser already and it was not compatible with GThaus, that's why it was cut that way and looks wide.

GThaus quad was design for the stock m sport diffuser (flat surface)


You can use this to cut the openings for it yourself on either non m or the m sport.
https://www.kiesmotorsports.com/prod...16739476340851
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