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  1. #1
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    Benchmade Proper FTMFW!

    I thought I would share pix of my new exhaust. I bought it from a local guy in Maryland. He had had it made by a company in Elkridge called Benchmade Proper, www.benchmadeproper.com. It's a 3" downpipe back exhaust with vibrant cylinder resonators and vibrant oval resonators. It has quad tips that are amazing. Everything is 304 stainless and tig welded by the owners, Joe and Brian. I took the exhaust to them after a day of trying to hang it on jackstands with a torn rotator cuff. I just couldn't pull it off and I also wanted to develop a relationship with them as I may expected to have the exhaust modified to my specs should there be drone or poor fitment, etc. I went this morning and had the exhaust hung and the bumper cut. Benchmade Proper is really small shop and just starting out but they are starting for the right reasons. They don't cut corners or overpromise. The materials are quality and they're willing to accommodate all requests. Their workmanship speaks for itself. I'm really happy with how it turned out. Joe cut my stock bumper and it looks great. I expected to end up buying an Mtech if this didn't work out but I'm completely satisfied. Enough with the typing...

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    The exhaust gets obtrusive around 2300 rpm but only under load in 6th. It doesn't drone it more like booms. I'm considering adding sound canisters (similar to what's used on a G37) in the near future. Joe knew exactly what I was talking about when I talked with him. In fact, he was doing that exact same thing for an RSX later today.

    I'm very pleased. The quality, fitment, and attention to detail that Benchmade delivers is awesome.

  2. #2
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    WTB video with this in action Click here to enlarge
    2015 F82 M4 - DCT - YMB
    | Stock for Now |

  3. #3
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    Sounds good dude! Wish you had it on yesterday so I could hear it in person lol

  4. #4
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    Here is the virtual dyno comparison of a 3rd gear run before and after the exhaust install. The logs follow.

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    That's a pretty sizeable gain - 35 whp. Looking at the logs you'll see IAT differences of about 10-12 deg. That will negate some of the gains as cooler temps give more power but at close to the 100 deg mark I'm not sure it's that big of a deal. I'm not necessarily saying I gained 35 whp but the car feels quicker.

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    There is a big throttle closure with the new exhaust. This was literally on the drive home so there was no adaptation. I never felt it - as demonstrated by the dyno. My timing values are dead even.

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    Last edited by boom; 10-08-2011 at 10:09 PM. Reason: graph placement

  5. #5
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    looks good quality
    Some people live long, meaningful lives.

    Other people eat shit and die.

    I'm not racist, I hate everybody equally; especially fat people.


    Click here to enlarge

  6. #6
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    Click here to enlarge Originally Posted by Irishace Click here to enlarge
    WTB video with this in action Click here to enlarge
    Must. Acquire. GoPro. Iphail ain't gonna cut it....

    Click here to enlarge Originally Posted by zeel Click here to enlarge
    Sounds good dude! Wish you had it on yesterday so I could hear it in person lol
    Thanks. It was killing me to not have it at MIR...

  7. #7
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    It looks good and the tips are great. I hope I do not sound like a dick if I say a couple bends are not as good as they could be. That is not to say it is not great to see a custom and independent quality option as that is what this is.

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    Can you post a video or sound clips?

  9. #9
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    It looks good and the tips are great. I hope I do not sound like a dick if I say a couple bends are not as good as they could be. That is not to say it is not great to see a custom and independent quality option as that is what this is.
    Have to agree - way to many welds in some of those bends instead of using one continuous mandrel bent piece.

    http://www.bimmerboost.com/images/imported/2011/10/f7ca874a-1.jpgClick here to enlarge

  10. #10
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    Those are the tips... There is absolutely zero restriction there as the overall flow volume of the pipe is increasing and the exit is about 5 inches away... I put those pix of the tips up because I was impressed with their welding.

    Click here to enlarge Originally Posted by LZH Click here to enlarge
    Have to agree - way to many welds in some of those bends instead of using one continuous mandrel bent piece.

    http://www.bimmerboost.com/images/imported/2011/10/f7ca874a-1.jpgClick here to enlarge

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