I cut out my mufflers and...
MBWorld Fanatic!
Joined: May 2008
Posts: 7,653
Likes: 560
2016 C300
Car is in the shop, will have to wait about 2 more weeks.
Sorry guys! It's a nice deep rumble sound (NO DRONE) but the gas mileage went down too much. I'm averaging 9 mpg city since I did it.
I'll post a video before I put it back to stock or replace the mufflers with something else.
Sorry guys! It's a nice deep rumble sound (NO DRONE) but the gas mileage went down too much. I'm averaging 9 mpg city since I did it.
I'll post a video before I put it back to stock or replace the mufflers with something else.
Thread Starter
Junior Member
Joined: Jan 2015
Posts: 38
Likes: 0
2010 S550
You'd think but I guess the back pressure helps with mpg on the S class. It's down significantly even with light driving so I'm going back to stock or the Becker I'll decide when I get my car back.
Do you have any videos of your car while moving? You have the Becker exhaust or did you add something with it?
Do you have any videos of your car while moving? You have the Becker exhaust or did you add something with it?
MBWorld Fanatic!
Joined: May 2008
Posts: 7,653
Likes: 560
2016 C300
You'd think but I guess the back pressure helps with mpg on the S class. It's down significantly even with light driving so I'm going back to stock or the Becker I'll decide when I get my car back.
Do you have any videos of your car while moving? You have the Becker exhaust or did you add something with it?
Do you have any videos of your car while moving? You have the Becker exhaust or did you add something with it?
MBWorld Fanatic!
Joined: May 2008
Posts: 7,653
Likes: 560
2016 C300
Thread Starter
Junior Member
Joined: Jan 2015
Posts: 38
Likes: 0
2010 S550
You can place your phone or recording device on the ground and just drive past or park near it and rev a few times
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Senior Member
Joined: Oct 2011
Posts: 399
Likes: 14
From: Chicago, Illinois
2008 S63
The X pipe is just forward of the rear axle and takes the two outputs from the exhaust headers and sends it back out to the mufflers. It's about 3' long. The shop just cut it out then made two straight runs to the mufflers, splicing the resonators into the straight pipes in the process.
Senior Member
Joined: Oct 2011
Posts: 399
Likes: 14
From: Chicago, Illinois
2008 S63
The X pipe is just forward of the rear axle and takes the two outputs from the exhaust headers and sends it back out to the mufflers. It's about 3' long. The shop just cut it out then made two straight runs to the mufflers, splicing the resonators into the straight pipes in the process.
I'm trying to order the resonators online before I show up at the shop. I don't want to use any old resonator they have on hand. I found some that are specifically made reduce noise.
Does anyone have a picture of the underside of a 2007 base? I received the exhaust but now I'm confused as to which resonators I will need. Even more confused on where to cut.
Last edited by Zerocarpileup; Jul 24, 2015 at 08:35 PM.
