The truck is a 2003. These horns are just crazy loud, I've owned this truck for 4 years and I have used the horns more times in the last 2 weeks then I ever did with the stock horn. These horn are the best thing I've bought for my truck and am glad that I went with a bigger package than I was first looking at. Thank you for an awesome product and support. Any more questions or pics you might need just feel free to ask.