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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 > Which of the existing cat-back is a true bolt on



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      08-24-2007, 02:59 PM   #23
kaji335i
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The Vishnu/Harman Motive exhaust is a complete bolt on as well.
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      08-24-2007, 06:45 PM   #24
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Quote:
Originally Posted by aquaanox View Post
thanks, so on the stock system section 1 and 2 are a single piece or welded together already, thus req cutting with a full replacement system.
The whole exhaust from the primary cats is 1 piece

Quote:
Originally Posted by Gen_E92 View Post
Sam,

Why does Eisenmann use massive canisters and RD race use tiny ones? I'm leaning towards the race version just waiting for better sound clips
RD uses mufflers with packing inside. Just got the RD shipment yesterday so hopefully we install it on a local car to make some clips.

Shaunt's blue widebody should be in soon to get the front pipes so we should be able to make a video of his car.

Eisenmann canisters are chambered mufflers.

Quote:
Originally Posted by Noize View Post
I need to ride in a 335i with an exhaust to see if I can deal with it day in and day out.
If you were local, we would be happy to arrange something for you or anyone for that matter

Quote:
Originally Posted by HyperM3 View Post
From what I understand, the OEM exhaust is ONE PIECE from tip to downpipe. Therefore, any exhaust that is "cat back" will not be technically bolt-on because you need to cut the stock exhaust.

That being said, even though you cut the stock exhaust, you can just bolt that back on if you need to instead of welding.
The headers/turbo/cat/downpipe is 1 piece then the remaining exhaust is 1 more piece. From the 3 pieces shown, there can be a TRUE BOLT-ON catback

Installing the complete RD exhaust will not require any welding. If there is any cutting then there will be welding required to 're-install' any of those pieces removed.
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      08-24-2007, 07:36 PM   #25
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Quote:
Originally Posted by Sam@AutoTalent View Post
RD uses mufflers with packing inside. Just got the RD shipment yesterday so hopefully we install it on a local car to make some clips.

Shaunt's blue widebody should be in soon to get the front pipes so we should be able to make a video of his car.

Eisenmann canisters are chambered mufflers.
So what exactly is the difference?
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      08-25-2007, 03:59 AM   #26
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Almost forgot

Oh yeah, we forgot to mention that the Britalman exhaust is true bolt on also. It is also from primary cat-back. Comes with lifetime warranty.

We have in stock too!

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