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  1. #1
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    X - pipe or Straight pipe for the M5 V10 ?

    buddy of mine is looking into deleting his secondary cats and resonator and I was trying to find out if its better to straight pipe it or use an X pipe in place?

    I know typically with a V8 the X-pipes scavenging effect makes power and helps with low end torque loss but not so sure on the V10.
    Current:
    14 Viper TA
    Wsir - 1:28:9
    Buttonwillow C13 - 1:54:1

  2. #2
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    X-pipe, get a solid piece somebody already makes.
    Chrome Space Bar Issue: http://www.boostaddict.com/showthrea...338#post738338


    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  3. #3
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    I actually order one of these (link below) to delete my secondary cats only. A member on mbworld did it and said it worked great. So gonna try and do some before an after dyno's and see what happens. If it goes well cant beat $75 and install. Recommend any shop for the welding?


    http://www.summitracing.com/parts/SUM-643125/
    Current:
    14 Viper TA
    Wsir - 1:28:9
    Buttonwillow C13 - 1:54:1

  4. #4
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    Click here to enlarge Originally Posted by DD GT3 RD Click here to enlarge
    I actually order one of these (link below) to delete my secondary cats only. A member on mbworld did it and said it worked great. So gonna try and do some before an after dyno's and see what happens. If it goes well cant beat $75 and install. Recommend any shop for the welding?


    http://www.summitracing.com/parts/SUM-643125/
    Josh at Gintani would be the guy to weld I take it?
    Chrome Space Bar Issue: http://www.boostaddict.com/showthrea...338#post738338


    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  5. #5
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    X-pipe is the better choice , but for some people it's too loud.

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    Click here to enlarge Originally Posted by Sorena Click here to enlarge
    X-pipe is the better choice , but for some people it's too loud.
    from what I have heard on other cars the X-pipe seems to smooth the sound out a little and to be quieter than straight pipes (in place if the resonator and secondary cats)
    Current:
    14 Viper TA
    Wsir - 1:28:9
    Buttonwillow C13 - 1:54:1

  7. #7
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    Click here to enlarge Originally Posted by DD GT3 RD Click here to enlarge
    from what I have heard on other cars the X-pipe seems to smooth the sound out a little and to be quieter than straight pipes (in place if the resonator and secondary cats)
    yes , i was comparing both X-pipe and straight pipe to stock.
    you can't really say straight pipe is louder ,but it's harsher compared to x-pipe.
    with headers and x-pipe ,you have the best audio system in the universe Click here to enlarge

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    Did you ever do this? How did it sound? I bought an M5 a few months back and I am ready to start playing with the exhaust.
    BMW 08 M5
    EuroCharged Tune
    Turner Pulley
    RPI Scoops, Afe filters
    ECS Stainless Brakelines
    ECS 12.5 Spacers
    V1 Hardwire
    Euro SMG

    BMW X5 3.0i Sport. 330,220 miles & counting

    Merc R63....Wife's Beast

    540 Hp Family Hauler


  9. #9
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    Click here to enlarge Originally Posted by WallyX5 Click here to enlarge
    Did you ever do this? How did it sound? I bought an M5 a few months back and I am ready to start playing with the exhaust.
    My buddy deleted the resonator and the secondary cats....no dynos or anything, its louder but honestly still not LOUD at all IMO. When you floor it you know its much louder, but there is no drone or resonance, which was very surprising to me. He first deleted the resonator and you could hardly tell anything was done, so I told him to try deleting the 2nd cats and it came out nice, louder, same sound pretty much....my other friend has a meistershaft muffler the rest stock and it is 10000x louder.
    Current:
    14 Viper TA
    Wsir - 1:28:9
    Buttonwillow C13 - 1:54:1

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    Thanks, I will probably use RPI's section 1 strait pipes and 2 X-pipe. Or Active Autowerkes set up. I like RPI because of there reputation and proven power gains.
    BMW 08 M5
    EuroCharged Tune
    Turner Pulley
    RPI Scoops, Afe filters
    ECS Stainless Brakelines
    ECS 12.5 Spacers
    V1 Hardwire
    Euro SMG

    BMW X5 3.0i Sport. 330,220 miles & counting

    Merc R63....Wife's Beast

    540 Hp Family Hauler


  11. #11
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    Click here to enlarge Originally Posted by WallyX5 Click here to enlarge
    Thanks, I will probably use RPI's section 1 strait pipes and 2 X-pipe. Or Active Autowerkes set up. I like RPI because of there reputation and proven power gains.
    Most of the pipes are going to gain around the same amount of power with the same specs (no cats, etc.). Pick the one that you think sounds the best.

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    Meisterschaft X-pipe sounds best, but the quality is not good as Supersprint.
    I had Eisenmann race with SS X-pipe, it made a killer noise.

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    What do you mean about the quality of the Meisterschaft versus the Supersprint. Are you referring to just the build quality or material? Thanks
    BMW 08 M5
    EuroCharged Tune
    Turner Pulley
    RPI Scoops, Afe filters
    ECS Stainless Brakelines
    ECS 12.5 Spacers
    V1 Hardwire
    Euro SMG

    BMW X5 3.0i Sport. 330,220 miles & counting

    Merc R63....Wife's Beast

    540 Hp Family Hauler


  14. #14
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    Click here to enlarge Originally Posted by WallyX5 Click here to enlarge
    What do you mean about the quality of the Meisterschaft versus the Supersprint. Are you referring to just the build quality or material? Thanks
    2-3 years ago Meisterschaft was suffering from both cheap medium materials and the build quality.
    But now it seems the quality of the pieces are improved, but still the welds don't look promising.

  15. #15
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    Click here to enlarge Originally Posted by WallyX5 Click here to enlarge
    What do you mean about the quality of the Meisterschaft versus the Supersprint. Are you referring to just the build quality or material? Thanks
    Meisterschaft is regarded as a cheap Eisenmann knock-off.

  16. #16
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Meisterschaft is regarded as a cheap Eisenmann knock-off.
    Yes, and even they chose a name close to Eisenmann, well it's not close but it's odd as well.

  17. #17
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    Click here to enlarge Originally Posted by Sorena Click here to enlarge
    Yes, and even they chose a name close to Eisenmann, well it's not close but it's odd as well.
    That's the aftermarket parts industry for you.

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    I wouldn't buy a candy bar from Meisterschit, let alone an exhaust.

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