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  1. #1
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    Weistec Stage 3 - Removal of Secondary Air Pump

    Okay, what's this about? What do I love by having it removed? Is it difficult to remove? I'm trying to get all my ducks in a row here...
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    Stage 3 Weistec Supercharged, long tube headers, high flow catalytic converters, 100% locking limited slip differential, Renntech upgraded transmission
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    I have no idea here.

    Differing to @Weistec or anyone who has experience with this.
    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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    Bump for @Weistec ?
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    Stage 3 Weistec Supercharged, long tube headers, high flow catalytic converters, 100% locking limited slip differential, Renntech upgraded transmission
    https://www.facebook.com/mbe63amg

  4. #4
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    They are probably busy @Weistec
    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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    I meant to ask, "What do I LOSE by having it removed"... And what is it?
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    Stage 3 Weistec Supercharged, long tube headers, high flow catalytic converters, 100% locking limited slip differential, Renntech upgraded transmission
    https://www.facebook.com/mbe63amg

  6. #6
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    I have no idea, bump.
    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
    Click here to enlarge Originally Posted by Sal Collaziano Click here to enlarge
    I meant to ask, "What do I LOSE by having it removed"... And what is it?
    Your not really losing much. From what I understand the secondary air pump is used strictly for emissions purposes and has nothing to do with performance or smoothness of the engine. Basically after combustion there is still unburnt fuel in the exhaust and the secondary air pump introduces fresh air into the exhaust after the manifold to help ignite the unburnt gases since they need oxygen.

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    Secondary air injection is for lighting of the cats primarily when cold. The pump turns on and injects air into the exhaust and helps light the cats. The system has nothing to do with the running performance of an engine. Removing simply makes your car pollute more. So in reference to the supercharger system with headers it is a mute point.

  9. #9
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    Thank you...
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    Stage 3 Weistec Supercharged, long tube headers, high flow catalytic converters, 100% locking limited slip differential, Renntech upgraded transmission
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