Two things, when you approached 2k RPM did it suddenly feel kind of "heavy?" And second, at idle was it kind of a rough, random feeling shake? I've had something similar happen to me in the past (different car), got bad gas at a higher altitude, led to the ignition coil frying. When I would try to get higher up in the powerband, it seemed like I was trying to push the RPM's through a wall, and at lights it seemed like I was firing lean or missing a cylinder
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Axis Angle 20" Powdercoated/GTR Start Button/Alpine Type R/Nismo CBE/K&N Drop Ins/Mishimoto Post MAF Hoses/Illuminated Kick Plates/Z1 15 mm Fr and 20 mm R spacers/SoundStream 7" Touch Screen/Stillen Adjustable Sway Bars
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