17-24 FLT/Touring (except 2024 Flhx Street Glide 117; 2024 Fltrx Road Glide 117; 23-24 Flhxse CVO Street Glide 121 "VVT; 23-24 Fltrxse CVO Road Glide 121" VVT; 2024 FltrxStse CVO Road Glide St 121 "Ho) Due to the higher air throughput, you significantly increase the performance of your Harley-Davidson! The air filter alone brings approx. 2 - 4 HP, with a good exhaust system you can increase the performance of your Harley by up to 10 HP! In 1958 George Smith and his wife Marjorie founded a small company named S&S Cycle. At the headquarters in Blue Island, Illinois, the sale of high performance Pushrods for Harley-Davidson motorcycles began. George Smith's vision was clear and simple: "I want to make all Harleys faster". That was his life. Even after George and Marge Smith died, S&S Cycle st.
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