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#1
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Hey i was wondering what my next option would be as far as performance upgrades. I have a 99 Yukon 5.7L with a Flowmaster 40 Series Exhaust, K&N FIPK Gen. II and want to spend under 500 for my next upgrade. what would be the most cost efficient way to get more hp for my car. I would like headers but i've heard they're a pain to install. Any input appreciated
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#2
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I've been looking for feedback from anyone who's tried the Superchips programmer for these motors. I'm wondering what kind of hp increase, and what it does to temps. They claim a 40 hp increase or so. I know with the diesels, they get some real serious gains - up to 110 hp, but sometimes exhaust gas temps get a bit high, even with a high flow intake and exhaust. Anyone tried one yet?
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