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Message: <blockquote data-quote="boss281" data-source="post: 269735" data-attributes="member: 8868">I did some searches on upgrades on plugs, wires and coil packs, but it seems most of you guys have done a lot of work and pushing serious horsepower. I've added a BBK plenum, throttlebody and intake, and, Magnaflow muffler and Mac Prochamber, but I'm only pushing 200hp at the wheels on this 75k mile daily driver. It's beginning to run a little rough, so I thought I'd do some maintenance.I'd like to replace the plugs, wires, coil packs, fuel injectors, and thermostat. Any recommendations for an NA car like mine? I'm not likely to do the PI intake/cam upgrade until next summer, so I just want a smooth running car over the winter.Thanks in advance.John</blockquote>