The 22 mm rear bar should be 80-85 lb/inches [roughly double the active bar] at the wheel better than the 24 mm [122 lb/in] Stillen bar which is no longer available.Roughly a 50-60% increase in rear stiffness, you will need the rear Tokico Blues to help control it. Instead of a maximum 4" roll [no rear bar] you would be down to 2.44" at the max g vs a 20 mm's 3"
This might be the perfect bar if you have a standard Q and don't want to go thru the process of down sizing your front bar from 29 to 28 mm as used on the t and active cars.
The 20 mm is hard to get stiff enough [urethane] and the 24 mm bar is hard to get soft enough [rubber bushings] .
With a 29mm front and a 22mm rear [assumming 100% coupling efficiency] you would still have a 59-60% front roll couple bias so in dry you would still have a 5-7% understeer vs 30% stock at 0.7G................these numbers are rough but within 5% error so even with bad front bar bushings the worst would be neutral dry steering at the limit.
No bar can be coupled at 100% [unless welded in place] even with urethane as the end link angle changes even over +- 1.0"......so there is probably another 10% safety above my calculations.
Hey if people have destroyed themselves with a 24 mm solid rear bar and Stillen sold over 50 [we have 9 customers with them for years] sounds like a deal to me!
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