W211 E63 Headers
1) Long Tube Headers + Straight Pipe Resonator + Catless?
2) Long Tube Headers + X Pipe Resonator + Catless?
3) Long Tube Headers + Straight Pipe Resonator + Catted?
4) Long Tube Headers + X Pipe Resonator + Catted?
5) Long Tube Headers + Stock Resonator + Stock Cats
Please specify for each, on average.
1) Wheel horsepower
2) Wheel Torque
3) Sound difference
Also, in a few short paragraphs the difference between a stock e63. Throttle, acceleration, sound? Etc etc.
I currently have just a straight pipe resonator. While it produces great sound, I am always aching to hear the strong pop pop pop noises on deceleration, but it's no where near it.
Thanks guys.
Would be nice if people with w211 m156 could chime in with some feed back. Acceleration/Power/Emissions/Noise
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The sound is awesome, imho. I wasn't looking for loud, and it was a concern of mine that it would be too much after reading here and on the W204 forums. Hence, leaving resonator and stock mufflers. But we don't have the C mufflers, which some call megaphones. On my E, it growls just a little more at idle and under light throttle, but the difference is significant under WOT and heavier throttle. Start up bark is louder, but I live in a gated community and have no issues, not even starting it in my garage. I didn't want my car to sound preposterous, and I think it's damn near perfect in my set up. Some may want louder and you could certainly delete resonator, and/or not do the 200 cel cats. I wanted my car to sound like what it is; a bad *** four-door luxury AMG with a great motor that can fly when you want it to. I feel like I have that now.
I had ROW boxes and Afe drop-ins when we base-lined it on their dynojet. Also have had the headbolts, lifters and all other peripherals done along with weistec catch-can and weistec pulleys. Also new plugs, but besides that stuff, no mods. WHP was 422 base-line and was 475 after tubes and tune. I have my chart at the office and can't remember exact tq numbers, but gains were similar, the tq delta being a little less, I think. I can post that tomorrow. There may still be a little left on the table, but I wanted to keep it realistic for how I drive and maintain it and not push it to the bleeding edge. There are compromises in both ends.
It certainly drives different, in a good way, with throttle response crisper and when on the highway at WOT, it just screams as it keeps pulling and pulling.
Tubes and tune ain't cheap, but would I do it again? Yep. Now if I can pass inspection next month, I'll be happy.
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Basically, if you have a stock E63, and want to hear more of the M156 but don't want to sound like a hooligan, get tubes and leave the resonator and mufflers in place. You will like what you hear.
The sound is awesome, imho. I wasn't looking for loud, and it was a concern of mine that it would be too much after reading here and on the W204 forums. Hence, leaving resonator and stock mufflers. But we don't have the C mufflers, which some call megaphones. On my E, it growls just a little more at idle and under light throttle, but the difference is significant under WOT and heavier throttle. Start up bark is louder, but I live in a gated community and have no issues, not even starting it in my garage. I didn't want my car to sound preposterous, and I think it's damn near perfect in my set up. Some may want louder and you could certainly delete resonator, and/or not do the 200 cel cats. I wanted my car to sound like what it is; a bad *** four-door luxury AMG with a great motor that can fly when you want it to. I feel like I have that now.
I had ROW boxes and Afe drop-ins when we base-lined it on their dynojet. Also have had the headbolts, lifters and all other peripherals done along with weistec catch-can and weistec pulleys. Also new plugs, but besides that stuff, no mods. WHP was 422 base-line and was 475 after tubes and tune. I have my chart at the office and can't remember exact tq numbers, but gains were similar, the tq delta being a little less, I think. I can post that tomorrow. There may still be a little left on the table, but I wanted to keep it realistic for how I drive and maintain it and not push it to the bleeding edge. There are compromises in both ends.
It certainly drives different, in a good way, with throttle response crisper and when on the highway at WOT, it just screams as it keeps pulling and pulling.
Tubes and tune ain't cheap, but would I do it again? Yep. Now if I can pass inspection next month, I'll be happy.
how much did you pay for the ar headers? Debating between mbh and ar at the moment..






