More power

White15lacrosse

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Buick Ownership
2015 Buick lacrosse
anyone know how to get more power out of the 2.4 engines? Or raise speed limiter? I’m in Germany and love driving it on the autobahn, but looking to get more out of my engine.

I have tires rated for 165, slotted and drilled rotors, ceramic pads, an oil catch can.
 
Prior 2.4 engines had a strong modding community in the US.

I don't know what is applicable to your 2015 model. I think the newer engines received direct injection & variable valve timing.
 
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