E9x RGM Rearbox Value

Davin135

New member
Hi All,

Does anybody have any idea what this RGM (Rob Green Motorsport) rear exhaust system may be worth?

rgm 1_6761436513.jpg

rgm 2_1973097585.jpg

rgm 3_4082352700.jpg

rgm 4_1825011405.jpg
 

Nikhil

Honorary ///Member
I was told they replicated the Gen1 Active Autowerke exhaust so probably double the price of the original
 

QikNish

Well-known member
RGM system sounds amazing and is built well. I'd rate it second to my Schnitzer exhaust. RGM is expensive... But workmanship is top notch.
 

922-ZN

Well-known member
If you're looking to sell then you'll probably end up giving it away, M3 parts are really hard to move and guys don't wanna pay anything close to the actual value of the item.
 

Davin135

New member
Thanks gents!

No, it's not the valvetronic system @QikNish
I wish though...

Yes the previous guy who owned mentioned it was worth a good penny but the xpipe was a piece of $*i# IMO.

Tried calling them but the number is engaged all the time. Emailed and awaiting a response.

:hammerhead:
 

QikNish

Well-known member
Ive also come across many different types of xpipe designs for the E92. Which one is best in your opinion?? @Davin135

Im currently using stock xpipe which is decatted. Works OK i guess. :hammerhead:



Davin135 said:
Thanks gents!

No, it's not the valvetronic system @QikNish
I wish though...

Yes the previous guy who owned mentioned it was worth a good penny but the xpipe was a piece of $*i# IMO.

Tried calling them but the number is engaged all the time. Emailed and awaiting a response.

:hammerhead:
 

Davin135

New member
@QikNish
Completely catless xpipe FTW So just 63mm piping :praise:
Ran the RGM Xpipe which has 4x cats in - :blueCry:
Cowley built a 63mm Xpipe with 2x high flow resonators - Nice but too much drone.

But drove in a one with a catless xpipe and ACS rear boxes OMG:fencelook:
Goals!
 

922-ZN

Well-known member
QikNish said:
Ive also come across many different types of xpipe designs for the E92. Which one is best in your opinion?? @Davin135

Im currently using stock xpipe which is decatted. Works OK i guess. :hammerhead:

In the real world there is only so much an exhaust can give on, close to stock, n/a cars.

I would rather have a good sounding X-pipe that's 5kw down on power vs a car I don't really love the sound of

Personally, I am using an OEM X-pipe decatted as well, the decat alone netted me 22wkw and 40nm


Davin135 said:
Cowley built a 63mm Xpipe with 2x high flow resonators - Nice but too much drone.

But drove in a one with a catless xpipe and ACS rear boxes OMG:fencelook:
Goals!

With variations in steel and location of the X unfortunately changes characteristics of the x-pipe. Get cowley to experiment by moving the resonators around and see what gives the least drone, OEM resonators are towards the rear of the x-pipe, maybe start there and move them forward.

I have drone as well but only from 1800 - 2100rpm and the car is hardly ever there so I can live with it
 
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