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@Armouredivision You need to use code walker and export the core.ypt in ptfx_hi.rpf and edit the xml with visual studio code and search in the upper left hand corner for "muz_xm_revolver". now look for "muz_xm_revolver_core" and scroll down until you find color and paste this over the color if you want it less intense.

<Item>
<Type value="Colour" />
<KeyframeMode value="0" />
<RGBAMaxEnable value="0" />
<RGBAProportional value="1" />
<RGBCanTint value="0" />
<RGBAMinKFP>
<Name>ptxu_Colour:m_rgbaMinKFP</Name>
<InvertBiasLink value="0" />
<RandomIndex value="236" />
<Keyframes>
<Item>
<KeyframeTime x="0" y="0" z="0" w="0" />
<KeyframeValue x="0.275194" y="0.275194" z="0.275194" w="0.763566" />
</Item>
<Item>
<KeyframeTime x="1" y="1" z="0" w="0" />
<KeyframeValue x="0.275194" y="0.275194" z="0.275194" w="0" />
</Item>
</Keyframes>
</RGBAMinKFP>
<RGBAMaxKFP>
<Name>ptxu_Colour:m_rgbaMaxKFP</Name>
<InvertBiasLink value="0" />
<RandomIndex value="237" />
<Keyframes>
<Item>
<KeyframeTime x="0" y="0" z="0" w="0" />
<KeyframeValue x="1" y="0.828685" z="0.768924" w="1" />
</Item>
<Item>
<KeyframeTime x="1" y="1" z="0" w="0" />
<KeyframeValue x="1" y="0.828685" z="0.768924" w="0" />
</Item>
</Keyframes>
</RGBAMaxKFP>
<EmissiveIntensityKFP>
<Name>ptxu_Colour:m_emissiveIntensityKFP</Name>
<InvertBiasLink value="0" />
<RandomIndex value="238" />
<Keyframes>
<Item>
<KeyframeTime x="0" y="0" z="0" w="0" />
<KeyframeValue x="3" y="5" z="0" w="0" />
</Item>
</Keyframes>
</EmissiveIntensityKFP>
</Item>

You can do this for any particle effect.