Header Choice - ARH or Modern Horsepowers
- Eurocharged Tune/Flash
- ROWS
- K and N filters
- Resonator and secondary CATs removed
I want some headers to get closer to the 460+ whp range.
Does any have A header install with dyno sheet and if so, does it fit fine? Any rubbing?
Actually I just found out that Modern Horsepower doesn't have enough demand to make the headers, however they have a lot of other products I am interested in. They seem to build everything for the C63. Bummer...
Last edited by cbluerock; Mar 22, 2014 at 07:34 PM.




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Remove secondry cats with xpipe and keep the resonator you'll once again get around 4whp more roughly saying and get an amazing growl heres some examples.
(secondry cats delete and resonator delete with x pipe)
Last edited by faz492; Apr 16, 2014 at 12:39 PM.
The Best of Mercedes & AMG
Whatever way you choose to go, if you are running a catless system even with an Xpipe, you will get some rasp. Drone on the other hand should not be a issue on the 63's. I'm yet to hear one that drones bad. Keep in mind the E63's muffler is not anywhere as aggressive sounding as a C63. The responses I get a lot from E63 owners is how can I make the system louder? In that regard the limiting factor is the rear muffler. For many years the E-Class AMG has always had a milder sound when compared to Other AMG's like the C-class and CLS class. So having a milder or less aggressive muffler may actually work in keeping sound levels at a manageable level.




