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  1. #1
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    Talking ..::PSI::.. Active Autowerke E46 M3 Gen 4 Header

    The Active Autowerke E46 M3 Performance Header is designed to increase exhaust flow without losing power which can sometimes be a tricky proposition.

    These headers are developed to create optimum flow and eliminate restriction that rob much desired horsepower. Suitable for naturally aspirated and supercharged forced induction applications, Active Autowerke’s E46 M3'S Performance Headers are made out of 100% 304 stainless steel, making durability a worry of the past. These are a very close design to the OEM CSL header with the US locations for O2 bungs and temperature sensor, by far one of the best sets of headers made for the S54.

    Here at PSI, these are used on ALL of our S/C M3s and S54 builds.

    The factory exhaust catalysts are removed in the process, making this solution recommended for off-road applications.

    note: Designed for off-road use, car will have CEL without Active Autowerke Software Upgrade for Off-Road use

    Key Features:

    -Creates optimum flow and eliminates restriction
    -Dyno Tested to provide improved HP and torque gains
    -Polished 100% 304 stainless steel construction
    -Designed for Street and/or Track Use
    -Bolt On Design with Precise Fitment
    -OEM Style fitment -Illustrated Instruction Manual
    -Two year warranty

    PM or email us for the best pricing available and as always FREE shipping in the USA.

    Click here to enlarge

    Click here to enlarge

  2. #2
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    Dynos of this?

    The header is a great place to pick up power on this motor.
    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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    2 out of 2 members liked this post. Reputation: Yes | No
    I have these on my car and absolutely love them! I made 289rwhp on their mustang dyno with just their headers and tune. By far my favorite mod besides their exhaust

  4. #4
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    Click here to enlarge Originally Posted by JR M3 Click here to enlarge
    I have these on my car and absolutely love them! I made 289rwhp on their mustang dyno with just their headers and tune. By far my favorite mod besides their exhaust
    What was your baseline?
    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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    Headers are a must for the E46 M3!!!
    2002 E46 M3 6MT | Jet Black . Black Nappa | My GermanBoost Build Thread
    2009 E90 M3 DCT | Melbourne Red . Speed Cloth

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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    What was your baseline?
    Before, i put the AA headers on, my oem catted headers were clogged and made me lose lots of power and torque up top. The curves of the graph would literally drop off after the midrange.

    I think my baseline was somewhere around 261 on the mustang dyno

  7. #7
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    Click here to enlarge Originally Posted by JR M3 Click here to enlarge
    I think my baseline was somewhere around 261 on the mustang dyno
    Thanks, you don't have the graph?
    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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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Thanks, you don't have the graph?
    Ill call them tomorrow and see if i can get it

  9. #9
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    Click here to enlarge Originally Posted by JR M3 Click here to enlarge
    Ill call them tomorrow and see if i can get it
    Awesome, thank you. Would love to have the baseline to reference.
    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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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge

    Dyno_Comparo by Active Autowerke, on Flickr

    Stock
    Headers with stock software
    Headers with revised software

  11. #11
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  12. #12
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    Click here to enlarge Originally Posted by Zak@activeautowerke Click here to enlarge
    Stock
    Headers with stock software
    Headers with revised software
    24 wheel with headers and software from baseline, very nice!
    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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