Originally Posted by HDDP
So, Now I'm confused... LET is making a set of headers that has the same design as the OEM and also the SuperSprint for the C320 ? WHY ? The design is the problem, that H pattern is what is robbing power...
If you're going to do some R&D and build some headers, create a equa-length outlet from each cylinder into a merge collector, these are called tuned headers that maintain equal back pressure on each cylinder and will help maximize HP gain... Otherwise, You are just re-packaging the OEM... Which actually are pretty good considering you are pushing exhaust gasses at high pressure into a tube at a 90 degree angle... Really bad idea !!!
What's the HP gain from SuperSprint ? 7HP ? WHOOPTIDOOO YAHOO !!!!
I think this will be some good reading for the interested parties and those attempting to manufacture / sell "High Performance" headers...
http://headerdesign.com/extras/design.asp
http://www.burnsstainless.com/TechAr...ry/theory.html
Why? Because the results are proven. If the design was the problem, then don't you think AMG would have changed it? The log style headers that we are selling are making more power than the Evosport "shorty" headers. Erick has had stock, Evosport, and LET headers on his car and the LET headers make the most power. Custom long tube headers for the C32 made a bit more top end power, but lost power under the curve. I prefer having power from 2000 RPM - redline, VS. redline power only.
The design theories you posted above reflect your opinion on how headers should be designed. However, not all motors are the same and the components of each motor shouldn't be the same.
It's easy to sit back and criticize designs of which you have had no part in. I respect your opinion, but if you have no valid proof or R&D time of your own, then how can you say that the design is the problem?
There are many factors that would keep you from building a set of equal length headers for the SRT6. Personally, I don't think there is enough room for them. I have never seen under the hood of the SRT6 but if you have to lift the motor to install headers, then I can't imagine they would fit.
With the research that we have done, the LET log style headers provide the most bang for your buck vs any other header on the market.
If you want a custom set of equal length headers, we will build them for you. If you want long tube headers, we will build those too. However, in the end, you would have been happier saving yourself the time / money and purchasing the headers with proven results. The fact is, our headers make great power on the C32 and we would love to prove that they will make the most power on the SRT6 as well. The only thing we need is an SRT6 willing to commit.