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Old 03-20-2018, 02:02 PM
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GLC43 Downpipe options?

Can we use the same downpipes as in the C43's?

If not, which downpipes are you guys using on your GLC43's? I'm only interested in catted options.

Thanks!
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Old 03-20-2018, 02:24 PM
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PM Shardul. He sells Mike Custom's Downpipes that fit the GLC43. They are pretty popular in the c63 and S-class coupe forums. Here's a quote from Shardul when I inquired about Catted version in PM.

"I would definitely get the catless version. Stock cats is where the restriction is. People choose the catted version if their car is not tuned, because a non catted down pipe will trigger the CEL with a tune.
About 40 to 50 hp with a ECU tune and catless version." - Shardul

Otherwise, you can go with the Weistec Cats. They are super expensive though. I have not installed the Cats as I am waiting to get my Service A completed first which will be middle of next month sometime. After my first service visit, I will get an ECU tune and downpipes installed.
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Old 03-20-2018, 04:07 PM
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Originally Posted by DameMD View Post
PM Shardul. He sells Mike Custom's Downpipes that fit the GLC43. They are pretty popular in the c63 and S-class coupe forums. Here's a quote from Shardul when I inquired about Catted version in PM.

"I would definitely get the catless version. Stock cats is where the restriction is. People choose the catted version if their car is not tuned, because a non catted down pipe will trigger the CEL with a tune.
About 40 to 50 hp with a ECU tune and catless version." - Shardul

Otherwise, you can go with the Weistec Cats. They are super expensive though. I have not installed the Cats as I am waiting to get my Service A completed first which will be middle of next month sometime. After my first service visit, I will get an ECU tune and downpipes installed.
I really want ones with High Flow Cats. Don't want the stink, or CEL. Where do I get the Weistec ones? Are the C43 DP{'s compatible with the GLC43?
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Old 03-20-2018, 04:08 PM
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What about the Brondex ones? Anyone have any experience with them?

https://brondexshop.com/products/mer...ted-down-pipes
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Old 03-20-2018, 04:28 PM
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Originally Posted by haunebu81 View Post
I really want ones with High Flow Cats. Don't want the stink, or CEL. Where do I get the Weistec ones? Are the C43 DP{'s compatible with the GLC43?
Mike Custom's downpipes can come catted. They are $650 for de-catted and add $300 for Catted. Follow the thread here https://mbworld.org/forums/c450-c43-...npipe-kit.html
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Old 03-20-2018, 04:33 PM
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Originally Posted by DameMD View Post
Mike Custom's downpipes can come catted. They are $650 for de-catted and add $300 for Catted. Follow the thread here https://mbworld.org/forums/c450-c43-...npipe-kit.html
Those are for the C43. Does the GLC43 use the exact same ones?

Woah, someone in that thread asked about the GLC and they do fit!

Last edited by haunebu81; 03-20-2018 at 04:44 PM. Reason: Found out answer.
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Old 03-20-2018, 04:50 PM
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How long did it take you guys to do the downpipe install?
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Old 03-20-2018, 05:16 PM
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Originally Posted by haunebu81 View Post
Woah, someone in that thread asked about the GLC and they do fit!
That was me who asked, which is why I am the only one replying to you lol

There's only a handful of us that are actually modding the GLC43. If you are expecting to get a lot of answers on mods, visit the c43 section then ask the vender if said parts fit the GLC43 too.
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Old 03-20-2018, 09:49 PM
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Did I read somewhere that the trans needed to be dropped in order to install if you didn't want to cut a pipe? Of was that for the 63? I forget.
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Old 03-20-2018, 10:44 PM
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Originally Posted by DameMD View Post
That was me who asked, which is why I am the only one replying to you lol

There's only a handful of us that are actually modding the GLC43. If you are expecting to get a lot of answers on mods, visit the c43 section then ask the vender if said parts fit the GLC43 too.
Thanks! I went with Mike's Catted DP's! Placed the order and paid

Did you notice better sound after? Any extra power? More crackling and popping?
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Old 03-22-2018, 02:01 PM
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Originally Posted by Sincity View Post
Did I read somewhere that the trans needed to be dropped in order to install if you didn't want to cut a pipe? Of was that for the 63? I forget.
That was for the w205 c63. For some reason the tranny is in the way and needs to be dropped which explains why there aren't many 63 owners doing said mod. It's still popular but listening to the horror stories on that forum make me cringe. I am wondering if the GLC63 variants will have the same issue.

w205 c43 owners have no issues with the downpipes. Heard it was a pretty straight forward install and doesn't take that long. There's one or two bolts that need some greasing/WD40 to be loosen but not a big deal.
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Old 03-22-2018, 02:07 PM
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Originally Posted by haunebu81 View Post
Thanks! I went with Mike's Catted DP's! Placed the order and paid

Did you notice better sound after? Any extra power? More crackling and popping?
I haven't installed my downpipes yet (read my previous posts about waiting for Service A to be completed). Per the c43 guys, you will get more exhaust noise and you can hear more of the turbos spooling which is a good thing. I haven't heard of anyone losing popping and cracking sounds. If I was you, I would also do the resonator delete to compliment the downpipes. Your GLC43 should sound [email protected] . I can't wait to install my downpipes and ECU tune as I am itching for more power.
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Old 03-22-2018, 02:55 PM
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Originally Posted by DameMD View Post
I haven't installed my downpipes yet (read my previous posts about waiting for Service A to be completed). Per the c43 guys, you will get more exhaust noise and you can hear more of the turbos spooling which is a good thing. I haven't heard of anyone losing popping and cracking sounds. If I was you, I would also do the resonator delete to compliment the downpipes. Your GLC43 should sound [email protected] . I can't wait to install my downpipes and ECU tune as I am itching for more power.
Yeah downpipes should change the sound significantly. Just for ****s, i took off the muffler and it sounds absolutely ridiculous, basically a straight pipe from cat back. Gonna put it back on because it drones a little at highway speed because it just dumps right below the rear seats.
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Old 03-23-2018, 01:14 AM
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Originally Posted by DameMD View Post
That was for the w205 c63. For some reason the tranny is in the way and needs to be dropped which explains why there aren't many 63 owners doing said mod. It's still popular but listening to the horror stories on that forum make me cringe. I am wondering if the GLC63 variants will have the same issue.

w205 c43 owners have no issues with the downpipes. Heard it was a pretty straight forward install and doesn't take that long. There's one or two bolts that need some greasing/WD40 to be loosen but not a big deal.
It was the 63 that needed the trans drop and not needed for the 43?
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Old 03-28-2018, 06:20 PM
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Originally Posted by haunebu81 View Post
Thanks! I went with Mike's Catted DP's! Placed the order and paid

Did you notice better sound after? Any extra power? More crackling and popping?
Please update once you get them installed. Would love to hear your opinion on sound, power, crack/pops.

Drove an X3M40i this past weekend and was pretty impressed. Pulled well and crack/pops were insane. Ha. Steering felt better than the GLC, as well.
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Old 01-30-2019, 11:51 AM
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I have a set of GLC43 catless downpipes. If anyone wants a set.
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Old 02-05-2019, 07:36 PM
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Originally Posted by haunebu81 View Post
Can we use the same downpipes as in the C43's?

If not, which downpipes are you guys using on your GLC43's? I'm only interested in catted options.

Thanks!
We offer our P2 Performance Package that includes downpipes as well as our software upgrade

Here is a link:

https://shop.amrperformance.com/prod...mance-package/



We even offer handheld programmers that allow you to tune your vehicle in the comfort of your own home!




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Old 02-08-2019, 04:40 PM
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GLC43 catless downpipes
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