I own a 08 pontiac GP 3.8l v-6 base model. I have a intake, flowmaster muffler, Jet chip stage 2 and a 180 thermostat. What performance upgrades do you recommend? (Im not rich) Thanks
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10-25-2010
I own a 08 pontiac GP 3.8l v-6 base model. I have a intake, flowmaster muffler, Jet chip stage 2 and a 180 thermostat. What performance upgrades do you recommend? (Im not rich) Thanks
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