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Theres a 20% off Black Friday sale, and ive had Kooks on just about every vehicle ive owned, so debating dropping the coin. Kooks said 30+ hp gain on their test truck with 1 3/4 headers, and since I have a Magnuson going on in a couple weeks, I was going to run the 1 7/8 headers. They also said they will be offering tuning early next year (possibly Jan) for our trucks that will help with the cat codes if they appear.

Are those doing long tubes deleting the AIR system or leaving it on? $200 difference in price for emissions vs non emissions, but I didnt like that the bypass interfaced with the MAF wiring, so I figured since its for cold start that it would be tricking the IAT sensor.
 
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