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    GR Yaris JBL Stereo

    I would start with replacing the front speakers (and tweeters) only with the Focal units, I've read many owners say upgrading the rear ones makes little improvement. I fitted the Focal IS TOY fronts, it was pretty simple. This video shows how (they missed a bolt holding in the door card, but...
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    GR Yaris What did you do to your GR Yaris today?

    I finally got around to doing a track day with my GRY with Kumho V730 tyres fitted. Really impressed with their performance and consistent behaviour in very hot weather. They inspire confidence.
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    GR Yaris What did you do to your GR Yaris today?

    Yeah I stole them off another site because I didn't take any pics of the rear before I removed the harness. The setup in the rear is the same for the Quickfit (non-Pro).
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    GR Yaris What did you do to your GR Yaris today?

    These are not my pics, but identical setup. I used the model intended for VW/Audi (SR16662 for RHD driver's harness in red), and the buckles and belt length were correct. It removes in and out in a couple of minutes. More info here: https://www.schrothracing.com/item/schroth-quickfit
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    GR Yaris What did you do to your GR Yaris today?

    I fitted a Schroth Quickfit harness today for track duties. This plugs into (and retains) the stock seatbelts.
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    GR Yaris Track mods for a daily driver?

    Thanks for all the replies. I got the front camber bolts installed and the geometry set up this week by some pros, and I can already feel a really positive difference on the road. I'll install the harness in the coming weeks, and have ordered some brake pad shims. I'm looking forward to the...
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    GR Yaris Track mods for a daily driver?

    I'm in Oz (Vic) but haven't yet done any hot track days with the GRY. I have experienced the ecu pulling timing/power in hot weather on the road due to heat soak. I haven't had an issue with brake performance over 6 or so laps during a typical track day session, but I've not yet run it in...
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    GR Yaris Track mods for a daily driver?

    Yes, part of the reason I feel I need a harness is because of the body roll (plus standard seats).
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    GR Yaris Track mods for a daily driver?

    Hi all, I've had my 2021 GRY Circuit Pack for a few months and I'm still loving it. I've occasionally driven it very hard on quiet B roads (where it has impressed) and I've done a single track day. I've done many track days in previous cars (medium-fast group), however I felt a little let down...
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