Quote:
Originally Posted by Max Schnell
The intake side of this car looks pretty efficient already. The air box looks like it is a vertical panel facing the front with a large intake pipe from the bumper area, K&N panel filter probably would be it. The elbow may be replaceable with a smooth elbow but does not pinch anywhere that I can see. Plastic composit manifold already has better resistance to temperature change.
DI may be able to open up some tuning possibilities though with leaner air fuel ratios without detonation. I don't know if the motor can rev any higher, that would be a easy tunable mod if the valve springs and rotating mass can handle it to push another 500-800 rpms out of the motor.
If the headers are already equal length I doubt there is much aftermarket headers will do.
High flow cat will be on my list because it will be usable either NA or turbo. Exhaust may help with the high flow cat combo but if the main restriction pre-exhaust is not removed it probably won't do much.
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Power drops off after 7000rpm. Why would you want to increase redline unless you had other supporting mods to make it worthwhile?