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10k mod
ok i keep hearing about this 10k mod and also a 18k mod. what are they and do they help at all. what are the differances between the 10k and 18k. also how do you do it and what would you need to do it the right way. any help and step by step instructions would be great. 
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1997 F-250HD XLT 4X4 PS K&N cold air intake, 3'' downtube, 3" strait exhaust, banks compressor wheel, edge programmer, pyro+boost gauges, shift kit, 33 BFG's
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