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Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Best Cheap Exhaust Modifications

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      07-26-2021, 09:40 PM   #1
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Best Cheap Exhaust Modifications

After picking up my 2021 bmw 330i, I would love if the exhaust was way louder without spending too much. If y'all know any mods other than buying an exhaust setup let me know!
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      07-27-2021, 10:48 AM   #2
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A downpipe will improve the sound of the car , its cheaper than an exhaust
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      09-26-2021, 11:46 PM   #3
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Quote:
Originally Posted by mike@x-ph.com View Post
A downpipe will improve the sound of the car , its cheaper than an exhaust
Won't it throw a CEL?
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      09-27-2021, 08:32 AM   #4
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Won't it throw a CEL?
it won't if the downpipe you get uses GESI or HJS cats
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      09-28-2021, 11:04 PM   #5
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Quote:
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it won't if the downpipe you get uses GESI or HJS cats
Any recommendations for a catback for a b46 US version? (non warranty-voiding)
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      09-29-2021, 09:24 AM   #6
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Any recommendations for a catback for a b46 US version? (non warranty-voiding)
We offer Stone and FI catbacks, REMUS axle back

The exhaust does not void the warranty
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