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  1. #1
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    1 out of 1 members liked this post. Yes Reputation No

    m3 electric cutouts

    Thinking of getting qtp 2.5" electric cutouts for my m3. Opinions? And if anyone knew of a shop in Long Island NY that can install them I would appreciate it

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    call ACM and see what set i have, but ill be switching to the evolve valved system.

    heres what it sounds like currently


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    Consider a valved exhaust system as well.

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

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    I contacted acm and was quoted 600-800$ for installation without the cutout price included. Was quoted $700 including the cutouts from another shop. Probably going to use the other shop or opt for modified stock mufflers

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    Click here to enlarge Originally Posted by bullowm3 Click here to enlarge
    I contacted acm and was quoted 600-800$ for installation without the cutout price included. Was quoted $700 including the cutouts from another shop. Probably going to use the other shop or opt for modified stock mufflers
    How much additional did they want for the cutouts?

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

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    Just make sure your comparing apples to apples with shops. ACM knows m3's, has a certified bmw master tech on staff and has installed many of these. I always use them. The last thing you want to do is go to a shop that might mess up the install or jack the price up on you once they get into the job and see what is required.
    Click here to enlarge
    ESS 6XX kit

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    Click here to enlarge Originally Posted by bullowm3 Click here to enlarge
    I contacted acm and was quoted 600-800$ for installation without the cutout price included. Was quoted $700 including the cutouts from another shop. Probably going to use the other shop or opt for modified stock mufflers
    Thats what I did, reversed; I had a local place that was cheaper do my setup first, the work was flawed, the valves were cheap and failed. I had ACM do it properly..over a year on this setup with 100% success.. Think about it.. in the words of undercover "If you dont have time to do it right the first time, you better have the time to do it twice" or something like that Click here to enlarge

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    Click here to enlarge Originally Posted by bobS Click here to enlarge
    Just make sure your comparing apples to apples with shops. ACM knows m3's, has a certified bmw master tech on staff and has installed many of these. I always use them. The last thing you want to do is go to a shop that might mess up the install or jack the price up on you once they get into the job and see what is required.
    Are cutouts really rocket science?

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

  9. #9
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    No, but look at LM's response....

    Its annoying when they don't work properly. Just a word of caution. Plus, i like the fact that a bmw certified tech can look at my M while they do work (look for leaks, potential issues, etc.)
    Click here to enlarge
    ESS 6XX kit

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    Valid points. A cutout isn't the hardest thing in the world though.

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

  11. #11
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    No i agree, and for all i know his other shop could be legit.
    Click here to enlarge
    ESS 6XX kit

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    my issue was 2 fold-
    1. the valves they chose were apparently prone to failure, as they did.

    2.The welding work they did was good in theory, but then part of the tubing they added rubbed on the axle once the car was set to different suspension settings (EDC).

    Is it rocket science? no, but would it go a long way to know its done properly the first time by someone that specializes in the car you have? sure does..

    OP could always get the evolve valved setup, looks better, saves weight

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    Where do you see all these new Evolve products? They don't have much on their website.
    2010 e92 M3 Jet Black | DCT | ESS Tuned | Akrapovic Slip-on | Challenge X-pipe | AFE Intake | 18" Volk TE37SL | KW V3 Coilovers | RPI Scoops | Under Drive Pulley

    2007 e92 Mont. Blue 335i | 6MT | COBB Tuned | Quaife 3.46 LSD | Helix FMIC | AA DPs | HKS Exhaust | DCI | Stett CP w/ Forged DVs | KWv2 Coilovers | UUC Sway Bars & SSK | HPF Stg 2 Clutch | HFS-4 | M3 Suspension Bits | DEFIVfab Diff Lockdown Kit | Stoptech Trophy BBK

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    Eh if im going to spend $1000 I would rather a used full exhaust system. I dont think its rocket science. 8 hours installation for electric cutouts i was quoted by acm. Meanwhile they take 2 hours from most shops

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    Click here to enlarge Originally Posted by bullowm3 Click here to enlarge
    Eh if im going to spend $1000 I would rather a used full exhaust system. I dont think its rocket science. 8 hours installation for electric cutouts i was quoted by acm. Meanwhile they take 2 hours from most shops
    your call..dont be suprised when its over 2 hours and fails in a month

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by nafoo Click here to enlarge
    Where do you see all these new Evolve products? They don't have much on their website.
    http://www.undercoverperformance.com...lve-automotive

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