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Type: Posts; User: Fen335i

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  1. Replies
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    I think the difference in power gains comparing a...

    I think the difference in power gains comparing a oem xpipe with deleted cats vs an expensive aftermarket xpipe that also deletes the oem cats is negligible. You may gain slightly more power with...
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    Well of course my response will be biased, but I...

    Well of course my response will be biased, but I dont see how any of the aftermarket xpipes are really worth the money if power is what you are after. Now sound is a different story, but for power...
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    well i had some test pipes put on yesterday...car...

    well i had some test pipes put on yesterday...car feels good so far. I can feel the power up top....and it added a little bit of volume to my exhaust. But only really noticeable when wot. ...
  4. Diameter of oem xpipe - where primary cats bolt up to headers

    does anyone have the exact diameter?
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    ^ me too...glad you clarified! Correct me if...

    ^ me too...glad you clarified!

    Correct me if I'm wrong, but doesn't BMW have proprietary error codes that not all OBD2 scanners will recognize? Is there a cheap scanner that does recognize them?
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    right...I just need something in ther interim...

    right...I just need something in ther interim before I get the Evolve cable...
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    S65 - code scanner to buy

    Hi Guys - I posted this on another forum, but wanted to get your take on what would be a good OBD2 Scanning/deleting tool to purchase. I don't want to spend a ton of money on this thing (under...
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    Cool, thanks. Yep, still oem xpipe with...

    Cool, thanks. Yep, still oem xpipe with resonators and secondaries. I've thought about gutting the secondaries, but I've heard it adds a lot of volume along with some rasp. I wouldnt mind some...
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    cool, ok. Not nearly as important, but did you...

    cool, ok. Not nearly as important, but did you notice much of a volume difference with the exhaust? I wouldnt mind a little added volume, but not obnoxious...I already have an aftermarket cat back...
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    Thanks for the info....when you say loss in...

    Thanks for the info....when you say loss in midrange...is that because most of the catless hp gain up at the top (6-8,000 rpm)? Do you notice any changes down low?

    I was sold on the Evolve...
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    Reviving an older thread here. Lost Marine - im...

    Reviving an older thread here. Lost Marine - im going catless (primaries only), and curious whatnyour experience was when you were catless without the Evolve tune? im going the same direction and...
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