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  1. #1
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    What the RennTech $8,200 SLS AMG M159 V8 long tube headers sound like

    Been itching for an upgrade to your SLS AMG? Of course you have. Some may say $8,200 is a lot of money and well, they are right. These headers have 200 cell cats built into them which explains part of the cost. Honestly, hard to justify $8,200 on headers considering the 63 AMG header market but the SLS is a lower production vehicle than say a C63 with a much higher price tag. The headers are also ceramic coated. Gains are claimed as +20 horsepower but we would like to see a dyno.

    Click here to enlarge


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    Huh, still cheaper than SS headers for S85!

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    If I may say... and please If If someone feels I'm seeing things please correct me. No really I mean it with all sincerity. Correct me if I'm wrong or you see something I don't. This header system looks like the one EVOtech released a while ago. Except the EVOtech header was warped in a metal heat shield and the cats are different and in different locations. Also what ever happened to the Renntech SLS headers they released before? Those were of a totally different design. Being able to see to see their fabricator's original set offered to the public. Then this set? It's a complete 180 when it comes to header design. From their first set to this set.

    I have always said, When you coat a header that is offered to the public. More times then not, it means mild steel was used in the construction. What does that mean? It mean you have $300 worth of material in a set of headers and $200 in coating. So why hasn't Renntech said what their headers are made of? Why does the design look like EVOtech's. The way I see it is... I smell something and it stinks like fish. Remember these headers are coming from the same company trying to sell you a $275 BMW intercooler pump (X6M) for your Mercedes for $2000. If you don't believe me go buy an intercooler pump for the the new V8 TT BMW and see what you get.

    Not bashing here, but somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.

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    Click here to enlarge Originally Posted by hooleyboy Click here to enlarge
    If I may say... and please If If someone feels I'm seeing things please correct me. No really I mean it with all sincerity. Correct me if I'm wrong or you see something I don't. This header system looks like the one EVOtech released a while ago. Except the EVOtech header was warped in a metal heat shield and the cats are different and in different locations. Also what ever happened to the Renntech SLS headers they released before? Those were of a totally different design. Being able to see to see their fabricator's original set offered to the public. Then this set? It's a complete 180 when it comes to header design. From their first set to this set.

    I have always said, When you coat a header that is offered to the public. More times then not, it means mild steel was used in the construction. What does that mean? It mean you have $300 worth of material in a set of headers and $200 in coating. So why hasn't Renntech said what their headers are made of? Why does the design look like EVOtech's. The way I see it is... I smell something and it stinks like fish. Remember these headers are coming from the same company trying to sell you a $275 BMW intercooler pump (X6M) for your Mercedes for $2000. If you don't believe me go buy an intercooler pump for the the new V8 TT BMW and see what you get.

    Not bashing here, but somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.
    It wouldn't be a Mercedes mod if there wasn't any drama to come with it. Click here to enlarge
    Tune only 60-130: 8.57
    Tune only 1/4 mile record: 11.531 @ 122.12



  5. #5
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    Click here to enlarge Originally Posted by hooleyboy Click here to enlarge
    If I may say... and please If If someone feels I'm seeing things please correct me. No really I mean it with all sincerity. Correct me if I'm wrong or you see something I don't. This header system looks like the one EVOtech released a while ago. Except the EVOtech header was warped in a metal heat shield and the cats are different and in different locations. Also what ever happened to the Renntech SLS headers they released before? Those were of a totally different design. Being able to see to see their fabricator's original set offered to the public. Then this set? It's a complete 180 when it comes to header design. From their first set to this set.

    I have always said, When you coat a header that is offered to the public. More times then not, it means mild steel was used in the construction. What does that mean? It mean you have $300 worth of material in a set of headers and $200 in coating. So why hasn't Renntech said what their headers are made of? Why does the design look like EVOtech's. The way I see it is... I smell something and it stinks like fish. Remember these headers are coming from the same company trying to sell you a $275 BMW intercooler pump (X6M) for your Mercedes for $2000. If you don't believe me go buy an intercooler pump for the the new V8 TT BMW and see what you get.

    Not bashing here, but somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.
    Careful treading in topics as a guest vendor that do not concern your product directly. You raise some good points so the post will remain in place.

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    Click here to enlarge Originally Posted by hooleyboy Click here to enlarge
    If I may say... and please If If someone feels I'm seeing things please correct me. No really I mean it with all sincerity. Correct me if I'm wrong or you see something I don't. This header system looks like the one EVOtech released a while ago. Except the EVOtech header was warped in a metal heat shield and the cats are different and in different locations. Also what ever happened to the Renntech SLS headers they released before? Those were of a totally different design. Being able to see to see their fabricator's original set offered to the public. Then this set? It's a complete 180 when it comes to header design. From their first set to this set.

    I have always said, When you coat a header that is offered to the public. More times then not, it means mild steel was used in the construction. What does that mean? It mean you have $300 worth of material in a set of headers and $200 in coating. So why hasn't Renntech said what their headers are made of? Why does the design look like EVOtech's. The way I see it is... I smell something and it stinks like fish. Remember these headers are coming from the same company trying to sell you a $275 BMW intercooler pump (X6M) for your Mercedes for $2000. If you don't believe me go buy an intercooler pump for the the new V8 TT BMW and see what you get.

    Not bashing here, but somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.
    Good points Mike.

    somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.
    The business model is (they dont know any better) which is true 99% of the time.
    Click here to enlarge
    2008 Lexus LS600hl
    2006 CLS55 AMG.
    508whp/564tq.
    171mph at The Texas mile 2011.
    Mods Everything.
    Going fast with class!!

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by hooleyboy Click here to enlarge
    If I may say... and please If If someone feels I'm seeing things please correct me. No really I mean it with all sincerity. Correct me if I'm wrong or you see something I don't. This header system looks like the one EVOtech released a while ago. Except the EVOtech header was warped in a metal heat shield and the cats are different and in different locations. Also what ever happened to the Renntech SLS headers they released before? Those were of a totally different design. Being able to see to see their fabricator's original set offered to the public. Then this set? It's a complete 180 when it comes to header design. From their first set to this set.

    I have always said, When you coat a header that is offered to the public. More times then not, it means mild steel was used in the construction. What does that mean? It mean you have $300 worth of material in a set of headers and $200 in coating. So why hasn't Renntech said what their headers are made of? Why does the design look like EVOtech's. The way I see it is... I smell something and it stinks like fish. Remember these headers are coming from the same company trying to sell you a $275 BMW intercooler pump (X6M) for your Mercedes for $2000. If you don't believe me go buy an intercooler pump for the the new V8 TT BMW and see what you get.

    Not bashing here, but somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.
    Looks like RENNtech is reading your posts.... Click here to enlarge They released a whole thread with pictures, specs, and explanation that the RENNtech pump, although looks like the BMW pump is not actually the same and I don't even see the $2000 price tag anywhere? Click here to enlarge it looks like they are charging $1400 for it.

    Here is the link:
    http://mbworld.org/forums/w211-amg/4...-bmw-pump.html

    And here is the quote directly:

    Click here to enlarge Originally Posted by RENNtech AMG Click here to enlarge
    RENNtech is proud to announce the release of our newest generation intercooler pump kit and intercooler upgrade for all Mercedes Benz Kompressor and McLaren vehicles. Our proprietary pump outperforms any other unit on the market; flowing over twice as much coolant as the problematic OEM units and significantly more than our previous generation kits. In an effort to dispel any misconceptions or misinformation regarding our pumps, perhaps a little background is in order.

    Our previous generation intercooler kits utilized a race optimized Nippon- Denso pump. This pump offered extremely reliable performance and increased flow over the troublesome OEM unit and fit the bill for most performance applications. In search of even more to offer, a year ago we began testing the OEM pump utilized on the new BMW V8 models among other various pumps on the market. Impressed by the performance of the BMW pump, which was on par with our pervious generation Nippon Denso units only in a smaller package, we were not satisfied and went in search of something more than this mighty little pump. While this pump is an ideal entry level performance pump and is offered by other tuners on the market as an upgrade, we expect more.

    In partnership with the OEM manufacturer, RENNtech further improved on the BMW pump and developed a proprietary unit which offers an even greater flow rate for the ultimate in both efficiency and performance. Both the RENNtech pump and BMW unit may be similar in both appearance and dimensions, but the similarities stop there. These units are manufactured exclusively for RENNtech, and offer extensive internal modifications and upgraded electronic internals which allow our pump to outperform anything else on the market. Our latest intercooler pumps are controlled utilizing sophisticated, proprietary, solid state electronics allowing the units to consume minimal power with the pump rated at 125 watts. This is an important factor as too much power consumption as found on other pumps on the market we tested can strain the vehicles electrical system; leading to faults in the multitude of sensitive electrical/charging computer controlled systems.

    During extensive testing and in a head to head comparison with the BMW pump, the BMW units flow 6.4 G.P.M. @ 8.7 P.S.I with the RENNtech pump flowing an impressive 8.7 G.P.M. @ 11.6 P.S.I. It should also be noted that as operating pressure increases, pump flow velocity dramatically decreases; our pump is rated not only at a higher flow rate but at a more realistic system operating pressure. This increase in flow dramatically removes heat from the incoming air; allowing for a denser air/fuel mixture and substantially cooler charge air temperatures over the entire operating range. Additional specs and test results for both pumps can be found in the attached documents or via the following link:
    Click here to enlargeRENNtech Intercooler Pump vs BMW Pump Data">

    Our latest RENNtech IC pump (8.7 G.P.M.) upgrade kit retails for $1,395.00

    The complete RENNtech intercooler upgrade kit with pump (8.7 G.P.M) and front mounted intercooler is available for $3,995.00
    2007 E63 P30
    Click here to enlarge

  8. #8
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    ^ picture doesn't work?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    ^ picture doesn't work?
    Hey Sticky, can you please fix the link to Google Picasa in my post? Click here to enlarge The text link works but not the picture; I think I'm missing a quote in there....
    2007 E63 P30
    Click here to enlarge

  10. #10
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    Click here to enlarge Originally Posted by Exeenom Click here to enlarge
    Hey Sticky, can you please fix the link to Google Picasa in my post? Click here to enlarge The text link works but not the picture; I think I'm missing a quote in there....
    Looks to me like they both work?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Looks to me like they both work?
    I thought you said the picture was not working?
    2007 E63 P30
    Click here to enlarge

  12. #12
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    Click here to enlarge Originally Posted by Exeenom Click here to enlarge
    I thought you said the picture was not working?
    It wasn't, works now though.

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    Going back to the main topic, the header pictures do look different from the ones posted earlier, so I'm not sure whether RENNtech revised their design or is it simply an illusion of how the picture is taken? And regarding the pumps, it looks like even though the RENNtech pump looks so close to the BMW pump, they are indeed different in performance, power consumption, output, etc...
    2007 E63 P30
    Click here to enlarge

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    That sounds unbelievable.
    Click here to enlarge

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    2 out of 2 members liked this post. Yes Reputation No
    RENNtech Web Site says T-304 stainless.

    Click here to enlarge Originally Posted by hooleyboy Click here to enlarge
    If I may say... and please If If someone feels I'm seeing things please correct me. No really I mean it with all sincerity. Correct me if I'm wrong or you see something I don't. This header system looks like the one EVOtech released a while ago. Except the EVOtech header was warped in a metal heat shield and the cats are different and in different locations. Also what ever happened to the Renntech SLS headers they released before? Those were of a totally different design. Being able to see to see their fabricator's original set offered to the public. Then this set? It's a complete 180 when it comes to header design. From their first set to this set.

    I have always said, When you coat a header that is offered to the public. More times then not, it means mild steel was used in the construction. What does that mean? It mean you have $300 worth of material in a set of headers and $200 in coating. So why hasn't Renntech said what their headers are made of? Why does the design look like EVOtech's. The way I see it is... I smell something and it stinks like fish. Remember these headers are coming from the same company trying to sell you a $275 BMW intercooler pump (X6M) for your Mercedes for $2000. If you don't believe me go buy an intercooler pump for the the new V8 TT BMW and see what you get.

    Not bashing here, but somethings the light needs to be shined on what you get for your money. When it comes to your Mercedes.

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