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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 335is Muffler



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      04-11-2016, 10:43 PM   #1
Manveer
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335is Muffler

Okay I love the 335is sound, but if I delete the mufflers, and put resonators there instead will there be less drone during highway speeds?

My secondary cats are already out
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      04-11-2016, 11:30 PM   #2
thm8d
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Originally Posted by Manveer View Post
Okay I love the 335is sound, but if I delete the mufflers, and put resonators there instead will there be less drone during highway speeds?

My secondary cats are already out
This defeats the purpose of having a 335is exhaust. You might as well buy an OEM exhaust and place in 2 resonators in it. It would be exactly the same
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      04-12-2016, 12:33 AM   #3
Manveer
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Originally Posted by thm8d View Post
This defeats the purpose of having a 335is exhaust. You might as well buy an OEM exhaust and place in 2 resonators in it. It would be exactly the same
Oh okay, so its just the mufflers that are different for the is... Not to familiar with this stuff
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      04-12-2016, 01:02 AM   #4
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Quote:
Originally Posted by Manveer
Okay I love the 335is sound, but if I delete the mufflers, and put resonators there instead will there be less drone during highway speeds?

My secondary cats are already out


Keep the 335is mufflers All u Need is a set of catles down pipes , I have a 335is my self
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      04-12-2016, 10:07 AM   #5
Ravenseal
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Quote:
Originally Posted by Manveer View Post
Okay I love the 335is sound, but if I delete the mufflers, and put resonators there instead will there be less drone during highway speeds?

My secondary cats are already out
I think you're confusing drone with engine noise. 335is is relatively quiet at high speeds.
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      04-12-2016, 03:30 PM   #6
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Originally Posted by Ravenseal View Post
I think you're confusing drone with engine noise. 335is is relatively quiet at high speeds.
Ive read that with the muffler delete there is drone at 2.5-3k rpm..and thats highway crusing speeds in 7th gear
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