Any tricks to gain performance from this car?

Indonesia
March 27, 2007 9:24am CST
The car's engine is XU10J4R factory stock. Rated approx. at 140hp / 5.500rpm, max torque 190NM / 4100rpm. CR 10.5:1 I use the 95RON how to mod a peugeot anymay? thx for the attention
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