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I need some advice on whether to purchase a Blouch 18GXT-R (the ball bearing one, as well as fuel pump and injectors) or just get a pro tune with the stock turbo for my 2006 WRX which is currently running a Cobb stage 2 OTS map. Before anyone asks, I've been researching forum posts, dyno plots, etc for a while now trying to make my decision. I'm basically looking for anyone that's been in my situation to offer some advice. My main concern is spool RPM with the aftermarket turbo. Right now I make full boost before 3k rpm, and I love it. I don't want to increase my lag at all, but I want more torque. Basically, I'm asking how much my lag will be increased with an 18g on my 2.5 block. I've read numerous quotes and dyno plots that are all over the place. One says it'll be close to stock spool and the next says more like 3800 rpm. I know a bigger turbo inherently adds lag by design. My goal is low end torque for daily driving fun. I rarely rev over 3500 rpm. My engine mods over the "recommended" Cobb OTS mods are a Borla header, STi intercooler, Cobb EBCS and I'm catless. I've also got coilovers, wheels/tires etc so the only thing left to mod is more power. Money isn't an issue at all. Any advice is welcomed. My instagram is luckywrxx if you want to see my car. I posted this on NASIOC but didn't have any luck.
Thanks!
Mike
Thanks!
Mike