I want to get a GS, year 2000+ and I was wondering which is best? I also plan on turbocharging it and has to hold 450+ hp, and I'll mostly be driving fast on the highway, so I plan on dropping a th400 (3-spd) tranny in. I've heard of a member that had a twin turbo GS4 with that tranny and also overdrive gears (6-spd total) and it sounds very interesting! So therefore, I need one that can hold boost reliably as it is a daily driver (and something to make my teeny-bopper cousin with an Acura RSX feel bad on the highway Also, are there turbo kits already available for these cars, so I wont have to sorry so much about a custom kit? I need much info, as I dont want to make a purchase I'll regret.

 

there are sooooo many threads here on this topic. Do a quick search and you will find tons of info. I personally am partial to the GS4 myself, but I'm biased.

 

The GS300 is the cheaper/easier route if you want to go turbocharge. I am not sure if the TH400 will be modified to fit the 2jz engine, but why not get an MKIV supra auto tranny? It'll definitely be able to withstand 450hp.

Although the braggin rights of having a twin turbo GS4 is nice
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1999 Lexus GS400
-Stock

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Go GS3 if you want FI since its the cheaper route .