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Rear support truss, worth it or not?
Posted: Sun Oct 05, 2025 4:23 pm
by MoeMonney
Does installing a rear support truss increase the rigidity of the car? Is it worth installing and does it make a difference you can feel?
https://www.klaindustries.net/product-p ... oEVOHfe2hs
Re: Rear support truss, worth it or not?
Posted: Mon Oct 06, 2025 9:27 am
by motoken
I've been looking at them as well. Following...
Re: Rear support truss, worth it or not?
Posted: Tue Oct 07, 2025 12:20 pm
by Spencan
I made my own using a pan hard bar and connecting it to where the rear seat back locks in place. I used heim joints to do this. It has definitely helped in keeping my rear flat in the corners with the stock rear suspension. I was told this by friends following me through the local canyons, as well as by the how it feels. I made it and installed it before KLA came out with their version....
Re: Rear support truss, worth it or not?
Posted: Wed Oct 08, 2025 10:24 am
by dr bob
Curious outside question.... Would the purpose be better served by a link between the shock towers? The body tends to be a bit more rigid there vs. at the seat belt anchors up in the B pillar, and closer connected to the side load from the suspension.
Re: Rear support truss, worth it or not?
Posted: Wed Oct 08, 2025 12:23 pm
by Spencan
That's what I was originally intending to do. However, I do not have a welder or the requisite skills to make an attachment to the shock towers, so I found the next best/easiest/lowest location...
Re: Rear support truss, worth it or not?
Posted: Thu Oct 09, 2025 9:41 am
by AudiSport
According to KLA they did a bunch of measurements and data collection that showed chassis flex with pressure sensors on the bar to validate that is was really making it stiffer.
Re: Rear support truss, worth it or not?
Posted: Thu Oct 09, 2025 2:54 pm
by blade7
Spencan wrote: Tue Oct 07, 2025 12:20 pm
I made my own using a pan hard bar and connecting it to where the rear seat back locks in place. I used heim joints to do this. It has definitely helped in keeping my rear flat in the corners with the stock rear suspension. I was told this by friends following me through the local canyons, as well as by the how it feels. I made it and installed it before KLA came out with their version....
My version fixes into place using the original seat back fixings. It definitely tightens up the rear end.
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