W213 AMG Discuss the W213 AMG - 2017 to present

Downpipe Smell

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Old Aug 15, 2019 | 09:42 AM
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Downpipe Smell

How bad is the smell with downpipes installed?
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Old Aug 15, 2019 | 10:37 AM
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Originally Posted by Michael Khan
How bad is the smell with downpipes installed?
if you run catless, you will smell raw fuel. depends entirely on you if that’s “bad” or not. i’m running high-flow cats, and i have zero smell, and power/sound are terrific in my opinion.
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Old Aug 15, 2019 | 10:43 AM
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Originally Posted by sjb
if you run catless, you will smell raw fuel. depends entirely on you if that’s “bad” or not. i’m running high-flow cats, and i have zero smell, and power/sound are terrific in my opinion.

Who did you go for high-flow cats?
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Old Aug 15, 2019 | 10:51 AM
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Originally Posted by Michael Khan
Who did you go for high-flow cats?
BenzWorks.
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Old Aug 15, 2019 | 11:19 AM
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Originally Posted by sjb
if you run catless, you will smell raw fuel. depends entirely on you if that’s “bad” or not. i’m running high-flow cats, and i have zero smell, and power/sound are terrific in my opinion.
If you smell raw fuel while catless there is something really wrong ...
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Old Aug 15, 2019 | 10:48 PM
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There is a definite smell but I do not notice it inside the cabin while driving . If I am at a stop and my window is down I can get some gasoline smells.

it’s not bad but would have probably opted for hi flow cats vs the catless...
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Old Aug 16, 2019 | 07:32 AM
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Originally Posted by Michael Khan
How bad is the smell with downpipes installed?
its not best smell..i personally do not enjoy it
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Old Aug 16, 2019 | 09:48 AM
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Originally Posted by Michael Khan
How bad is the smell with downpipes installed?
Just load up the glovebox with "Falcon" - boom, problem solved.


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Old Aug 16, 2019 | 09:52 AM
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We can get a set made for you with high flow cats.

Most customers buy our catless version.
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Old Aug 16, 2019 | 01:37 PM
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Does anyone else notice a kind of hot oil or burned oil smell when the car is run?

From the oil level gauge my car seems to be doing well from that standpoint and holding firm, but since the car was new and continuing today I smell a bit of a hot oil smell if I have the windows down or when I get out of the car.

More from the engine area than the exhaust area.

BTW, no leaks on the garage floor a home or at work.
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Old Aug 16, 2019 | 03:20 PM
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Originally Posted by E634Me
Does anyone else notice a kind of hot oil or burned oil smell when the car is run?

From the oil level gauge my car seems to be doing well from that standpoint and holding firm, but since the car was new and continuing today I smell a bit of a hot oil smell if I have the windows down or when I get out of the car.

More from the engine area than the exhaust area.

BTW, no leaks on the garage floor a home or at work.
You probably got a small oil leak that is around hot components under the hood and not noticeable by digital oil level gauge, I would go to shop immediately to check everything and make sure your car won't catch fire. I had the same issue with one my previous car after installing upgraded exhaust system and oil pressure sensor which was not tightened properly and oil was going trough sensor's thread and oil drops were going to hot exhaust components, which is super dangerous, thank god I found it really fast.
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Old Aug 16, 2019 | 03:34 PM
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If your tune is on the rich side of the AFR, you will smell more hydrocarbons.
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