I stuck a 3.4 intake/throttle body and 3.8 997 exhaust manifolds on my 2.7 rallycross boxster. I can feel that i lost some low end torque but gained higher rpm HP. I'm rarely below 4000 rpm so it works for me. I moved the air filter inside the trunk and I'm surprised at how quickly the filter gets dirty. I've raised the trunk lid in hopes of drawing in more fresh air but I still need to find a way to get more fresh air inside the trunk. The air coming from the rear wheel well is very dirty. Granted I'm racing in dirt, so you should have a lot less than me.
Here's my build thread
6 months to live build thread
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