So I've been considering adding M030 sways to my 04S. I don't do any serious driving or anything, I just thought it would be a relatively simple mod to tighten the handling a bit. I came across this chart that shows that Cayman sways are fairly comparable to M030 sways and was wondering if 987 sways in general were compatible with a 986 as they can be found pretty cheap on ebay. For search purposes, can anyone clarify if there are any differences in thickness and diameter (or even fitment) between the 987.1 Cayman S and Boxster S bars? They have slightly different part numbers.
Lastly, would there be any adverse effects of upgrading the rear bar alone? It's much simpler to install so I would probably do it first and may not even bother changing the front depending on the outcome. My previous car was FWD (understeered) so most people, myself included, just changed the rear bar and left the front bar stock. This car is obviously different, so I thought I'd check first.
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