Its very easy to install and I like having my temp at 170-183. Before, it used to go to 200 in the summer time if I was idle in traffic and I put the heat on. Yea, it sounds foolish to pick the car over 5 minutes of uncomfort but I was paranoid about causing long term wear.
Oh, I also have the PCM modded so the fan turns on at 180(?), so that really helps balance things out.
Is it worth it? Yea as its only $7-$10 bucks. Any drawbacks? Car still heats up fine in the winter so no? Should you do it? Yea. Would you notice any performance increase? Besides the reduction of KR, no unless you are hyper sensitive and can feel 3-4 hp.
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GenV GTP engine, 12" Brakes, CAI, 3" DP, HighFlo Cat, 180 T-Stat, Aeroforce Gauge, Front STB, Stinger Fiberglass hood, Reflective Graphics.