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  1. #1
    Stage 2 Banner Advertiser Three Rings Shawn@PacificGerman's Avatar
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    May 08 2007
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    My Garage
    18' SQ5 . 17' R8 . 17' C4 . 16' Turbo S . 15' C4S . 17' Q7 . '89 964 . '16 981 . '06 911 C2S
    Laguna Hills

    JH Motorsports B9 2.0T High Flow Cat and Downpipe / Sound Clip

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    Hey Audizine!

    Our friends at JH Motorsports had us try out their new 3" High Flow Cat Pipe and 3" Downpipe on our B9 A4 2.0T.

    JHM Product Link for the High Flow Cat

    JHM Product Link for the Downpipe

    Stage 2 Engine tuning requires the use of a High Flow Cat or a Test Pipe, which JHM offers both. Since we are running Revo Stage 2 Engine tuning, it only made sense to go with a street friendly high flow cat setup, and pair it with the high flow downpipe as well!

    The factory cat is pretty restrictive and crushes down to nearly 2.25", and the downpipe crushes down even more than that on the turn down section right off the cat! This can't be optimal for air flow or performance, luckily JHM managed to find a clean 3" shot all the way through!

    Here are some comparison photos along with a sound clip video.

    Pacific German | | Porsche, Volkswagen, Audi, Lamborghini, Bentley Service, Tuning, Repair | Located in Laguna Hills, Ca

  2. #2
    Stage 3 Forum Advertiser Four Rings Jake@JHM's Avatar
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    Aug 31 2011
    AZ Member #
    My Garage

    Right on! That pull at the end of the video though..


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