Ya, you can get a decent-good set of coilovers for 800-1000. Just wouldn't make any sense to me to buy these for not much less, plus you need to buy springs, and they don't do nearly as much as coilovers
what is the cheapest place to get these inserts? The prices I was getting quoted you could buy coilovers for not much, if any more money. Depending on what coilovers you are comparing the price to obviously
where do you find the Perrin TBE? I don't see any kind of exhaust system for a 05-09 GT on their site or any other. Only thing I could find was DP or UP