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Thread: upgrading my 99 C280 with pulley, exhaust,, and chip

  1. #1
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    upgrading my 99 C280 with pulley, exhaust,, and chip

    Im planning on upgrading my 1999 C280 sport with a few mods.

    They are an

    Eisenhaus Racing Performance Exhaust

    http://www.eisenhaus.com/ehdetails.p...&Submit=Submit

    Upsolute Chip

    and Im thinking about doing the evosport underdrive pulley.

    I just wanted to know about what power increase to expect and if any noticeable ones doing such mods?

    I was planning on doing the chip, then exhaust, then pulleys and taking the car back to upsolute to get retuned once the mods are done.

    Any precautions or worries I should have?

    My car is a 1999 C280 sport with almost 60K miles on it. Everything atm is factory so any suggestions would be appreciated. I've searched about each item individually, but I just wanted to see how the whole combo would fair.

    Thanks in advance

  2. #2
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    no one

  3. #3
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    racing exhaust is going to be noticeably louder. does this include headers + full cat-back system? keeping resonators?

    upsolute chip i'd do last

    underdrive pulley + exhaust i would put in the ballpark of around 10-12 rwhp. as high as 15 with the chip "out-of-the-box". if your car wasn't N/A it would have much more noticeable results. adding more lift with custom cams would make a huge difference if you're going to have the chip custom tuned, but thats around the tune of another $2000 (would add likely 20hp and as high as 35-40ft/lbs of torque).

    if you go through with it all, be sure to get before/after dyno results

  4. #4
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    Originally posted by Proven Guilty
    racing exhaust is going to be noticeably louder. does this include headers + full cat-back system? keeping resonators?

    upsolute chip i'd do last

    underdrive pulley + exhaust i would put in the ballpark of around 10-12 rwhp. as high as 15 with the chip "out-of-the-box".

    if you go through with it all, be sure to get before/after dyno results
    Im considering buying the evosport headers to go with the underdrive pulley.

    For the exhaust Im going to get the one i stated above and take it to a shop and let them work some magic on it.

    So Evosport headers, exhaust, chip, and underdrive puilleys.

  5. #5
    Junior Member
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    Aug 2006
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    Originally posted by Brando457
    Im considering buying the evosport headers to go with the underdrive pulley.

    For the exhaust Im going to get the one i stated above and take it to a shop and let them work some magic on it.

    So Evosport headers, exhaust, chip, and underdrive puilleys.
    Who sells Euro Sport Headers? Can someone gimme a link?

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