Like mine under throttle sputters and like misses until it gets on the boost then it has like no power.

 

If if everything is hooked up right, then doubt if the stock wiring is causing your issue around 3-5k. If your exhaust sounds like a car running a subaru boxer engine, then it's prob a bad coil. Just acquire one and test it, LOL. It will be good to have an extra coil available just in case anyways.

 

It sounds fine at idle though which doesn't make sense.

 

dont remember what the end of the pump looks like , but maybe the sock fell off its just lacking fuel ,check your pump,as soon as you ask too much it cuts you off ??

 

Does it feel sort of like a very soft limiter when it cuts in boost? If so, you're blowing out your spark.

 

It doesn't really cut in boost. When I go WOT it's like it goes down to three cylinders.