I did not want to do my own so I bought some from him and shipped mine to him. I have to say I love the sound. On first trip out had a Hardly pull up next to me and asked me if they were stock. I told him only on the outside, then I thought to myself. I love riding my TBA and watching the "other" brand riders turn and look. That was a very good day. Bottom line, if you don't want to hassle w/them it is worth buying from him. BTW once you send your pipes to him he refunds your core charge,