Welcome
I am not familaire with the sandad air intake replacement but the best way to mod the sound is get an exhaust of your liking. I would suggest not going the "I got it because it was cheap" route, but get something you are going to be happy with even if it takes a little longer to save for it. You can do it right, or do it again.$.02
The post MAF tubes are made by various companies such as HKS, Z1 & Cobb use to make them. Check the clasifieds here, there are often good deals.
I type too slow anyway, what they said above me